News archive

4.3.2013, 12:25 CET

A new version of programming application PIC Programmer v2.3 is now available fromDownloads section. It supports all super speed programmers, which includes programmers based on K8055 and K8055N boards and PIC18F26J50.

4.3.2013, 9:06 CET

New photos were added to sections 1,2 and 4 and some contents were updated.

4.3.2013, 4:41 CET

"Do K8055 and K8055N boards run at 16 MHz?" subsection was updated with the recommended ceramic capacitor values.

3.3.2013, 22:39 CET

Sections 4 and 5 were updated and new HEX files were added. Now, there is an option of choosing the right HEX file for your PIC18F26J50 microcontroller for 4 MHz, 12 MHz or 16 MHz operation. The schematics in subsection 4.c was upgraded. The additional two 2N2222 tranzistors were needed to enable PWM voltage range adaption from 0 V to 3.3 V to 0 V to 5 V. Go to Downloads section to obtain appropriate HEX file.

3.3.2013, 3:02 CET

Do K8055 and K8055N boards run at 16 MHz?

28.2.2013, 21:10 CET

"Can I remotely control K8055 or K8055N compatible board through internet or intranet?" chapter was added to section 4.

28.2.2013, 20:37 CET

Create a remote control client-server application chapter was added to Custom projects section. Read this section, if would like to control your K8055 or K8055N compatible board remotely. Remote control board control is ideal for a robot-main computer communication.

28.2.2013, 10:50 CET

Home Control Center server application (Remote access example.zip). It enables connection of multiple clients to a PC with (relay) PIC18F2xJ50 microcontroller Velleman K8055N compatible control boards.

26.2.2013, 21:27 CET

An optimized version of DLL for multithreaded aplications was released. Go to Download section to obtain SVLIB_PIC18F24J50 v2.5.dll or SVLIB_PIC18F24J50 v2.5.NET4.dll (for .NET 4.0 applications).

26.2.2013, 4:14 CET

A new DLL for multithreaded applications (SVLIB_PIC18F24J50 v2.4.dll) and two new multithreading examples were released: Multithreading example based on SVLIB_PIC18F24J50 v2.4.zip and K8055N demo based on SVLIB_PIC18F24J50 v2.4.zip. The new DLL features two interfaces: The object interface was developed for .NET development environment and was also available in previous versions. The new K8055D.DLL compatible interface is meant for those who would like to use existing programming based on original Velleman DLL. All K8055D.DLL functions are supported, except for the counter functions. A bug from SVLIB_PIC18F24J50 v2.3.dll was also resolved. SVLIB_PIC18F24J50 v2.3.dll had stability issues.

26.2.2013, 2:02 CET

Microsoft Visual Studio.NET 4.0 applications reqiure a .NET 4.0 DLL. SVLIB_PIC18F24J50 v2.1.NET4.dll for singlethreaded applications is now available from Downloads section.

3.4.2013, 21:23 CET PIC18F24J50 10-bit A/D converter secrets are revealed in subsection 7.e. "How do I use PIC18FxxJ50 A/D converter with USB memory read and write commands?". 

3.4.2013, 11:44 CET No more searching for the right software and firmware PIC18F2xJ50 Starter Kit Software Pack.zip is now available from Downloads section. 

3.4.2013, 11:15 CET Beginners guide to PIC18F2xJ50 programming is now available in PDF file. Get your copy from Downloads section.

3.4.2013, 4:10 CET Alternative 2 starter kit that enables independent operation with own power supply was added to section 8.

2.4.2013, 17:56 CET Starter kit schematic - alternative 1 was added. The alternative circuit enables completely independent operation of the two microcontrollers, but it requires an aditional voltage regulator.

2.4.2013, 16:44 CET Starter kit schematic was updated to meet USB 2.0 standard requirements. Starter circuit was added.

2.4.2013, 11:44 CET New Starter kit section is intended for all who would like to get fast in track with the microcontroller technology. 

2.4.2013, 6:05 CET Subsection 4.k on DC motor controller (robotics) was updated with a new schematics. 

1.4.2013, 23:52 CE

More complex digital oscilloscope application that uses a microcontroller was added to a new subsection 3.b. It enables you to see the signal shape on AN0 input of PIC18F2xJ50.

1.4.2013, 23:27 CET The website layout was simplified to show sections only. Click on a section and then choose a subsection from it. This simplification was necessary to reduce the load time due to growing number of different projects, as well as to enable easier browsing in different browsers, not only Microsoft Explorer.

1.4.2013, 22:23 CET Subsection 2.f was added. Runo4 Home Safeguard Application will scare of any potential burglars and thieves away from your home. Click here to read more.

1.4.2013, 9:11 CET Tips & tricks & troubleshooting section was launched. There is a growing list of FAQs. Click here to see it. If you have problems with running the samples from this webpage, click here.

30.3.2013, 16:49 CET K8055N board SK9 connector is a true wonder. It is also makes it possible to design a special cable for programing a PIC18F24J50 microcontroller on one K8055N board from another K8055 board. Click here to read more.

29.3.2013, 17:54 CET

Subsecton 4.n. Exploring SK9 connector on Velleman K8055N board was added to the Velleman upgrade projects. Yes, SK9 connector can trully be used for "on the fly" programming of the K8055N board

29.3.2013, 12:47 CET Yes, you can also use the basic PIC18F2xJ50 circuit to build a super speed microcontroller programmer! See subsection 5.b. that have just been updated!

28.3.2013, 12:41 CET SVLIB_PIC18F24J50 v3.1.NET4(x64).DLL adds OscMode=1 to RTC_init function. Now, RTC (real time clock) can be confirued to run on 32.768 kHz crystel resonator. See subsection 5.a. for details. For general infomation on RTC and its programming see subsection 2.e.

27.3.2013, 23:55 CET Subsection “4.m. How to read PWM temperature from Velleman K6001 kit?” was added.

27.3.2013, 22:42 CET Subsection 5.a was updated with information on SVLIB_PIC18F24J50 v3.1.NET4(x64).DLL, which adds frequency and impulse width measurement support.

27.3.2013, 21:00 CET Measuring impulse width and frequency is one of the most common problems in analog and digital applications. Click here to read more. The examplesFreqPWMeterExample(x64).zip are in Downloads section. The programming guide is in subsection 5.a.

26.3.2013, 10:12 CET A new subsection 0.a. HOT TOPICS was launched. Each week there will be new hot topics!

25.3.2013, 18:39 CET

Subsection 4.l. Enhanced 16-bit hardware counters support (robotics) was added to section 4.

25.3.2013, 18:22 CET

SVLIB_PIC18F24J50 v3.0.NET4(x64).dll with HW counter support was released to Download section. The counter 0 is incereased by 1 by impulse on PA2 input (I2 on an K8055 or K8055N board). The counter 1 is incereased by 1 by impulse on PC0 input (I3 on an K8055 or K8055N board). Unlike the original Velleman firmware which implements counters in software, these counters are entirely implemented in PIC18FxxJ50 hardware. There are also two examples: Impulse counter example (32-bit).zip and Impulse counter example (64-bit).zip. Subsection 5.a was updated accordingly.

24.3.2013, 9:37 CET

A new subsection k. DC motor control (robotics) with K8055 and K8055N boards was added to section 4. Section 5 was updated accordingly.

24.3.2013, 0:14 CET

Subsection 5.l. DC motor controller (robotics) was added to Custom projects section. The DC motor controller may be used to drive any kind of low power and low voltage DC motors.

23.3.2013, 3:41 CET

Subsection 2.e. Real time clock (RTC) and timed operations was added to Home automation section.

22.3.2013, 15:03 CET

Subsection 5.a. was updated with information on programming real time clock (RTC). Two sample applications (PIC18F2xJ50 RTC Example.zip and PIC18F2xJ50 RTC Example x64.zipare also available from Downloads section.

22.3.2013, 8:52 CET

SVLIB_PIC18F24J50 v2.9.NET4(x64).dll with PIC18F2xJ50 Real time clock module (RTC) support is available from Downloads section.

21.3.2013, 3:01 CET

An alternative way of turning a K8055 or K8055N board into a microcontroller programmer that retains the functionalty of inputs I1, I2, I3 and I5 was added to subsection "4.b. Turn K8055 or K8055N a microcontroller programmer".

20.3.2013, 9:44 CET

New function descriptions for SVLIB_PIC18F24J50 v2.7.st.(NET4(x64).DLL and SVLIB_PIC18F24J50 v2.8.(NET4(x64).DLL were added to subsection "5.a. How to start programming...".

20.3.2013, 7:07 CET

Subsection @@. Full 32-bit and 64-bit DLL support for original Vellaman K8055 and K8055N firmware was renewed.

20.3.2013, 6:23 CET

New multithreading examples (32 and 64-bit) with source code are now available from Downloads section: Multithreading example (32-bit) based on SVLIB_PIC18F24J50 v2.8.NET4.zip and Multithreading example (32-bit) based on SVLIB_PIC18F24J50 v2.8.NET4x64.zip. They include full 64-bit DLL support for original Velleman K8055 and K8055N with no modifications to firmware as well as support for microcontrollers with advanced firmware: PIC18F24J50 firmware v2.0.hex, PIC18F26J50 firmware v2.0.hex and PIC18F26J50 firmware v2.2.hex.

19.3.2013, 14:52 CET

Another minor error was discovered in SVLIB_PIC18F24J50 v2.7 distribution. Now, the library files as well as the examples were updated. The corrected files in Downloads section are: SVLIB_PIC18F24J50 v2.7.st.NET4.dll and SVLIB_PIC18F24J50 v2.7.st.NET4x64.dll and K8055 original FW tester.zip and K8055 original FW tester x64.zip.

19.3.2013, 14:52 CET

A minor error was discovered in SVLIB_PIC18F24J50 v2.7 distribution. Now, the library files as well as the examles were updated. The corrected files in Downloads section are: SVLIB_PIC18F24J50 v2.7.st.NET4.dll and SVLIB_PIC18F24J50 v2.7.st.NET4x64.dll and K8055 original FW tester.zip and K8055 original FW tester x64.zip.

19.3.2013, 13:21 CET

Velleman K8055 and K8055N boards with microcontrollers (PIC16C745 and PIC18F24J50) with original Velleman firmware are now supprted by a new 32-bit and a new 64-bit DLL: SVLIB_PIC18F24J50 v2.7.st.NET4.dll and SVLIB_PIC18F24J50 v2.7.st.NET4x64.dll. Full 64-bit DLL support for Velleman K8055 and K8055N with no modifications at all is finally available!

18.3.2013, 19:46 CET

New PIC Programmer application v2.6 (x64) with source code is available from Downloads section.

18.3.2013, 18:08 CET

The remaining supported PIC18F26J50 firmware v2.2 subversions were added to Downloads section: 4 MHz, 12 MHz and 16 MHz for general use and for K8055 adapter.

18.3.2013, 16:56 CET

Subsection 5.a How to start programming... was updated with new information on programming SVLIB_PIC18F24J50 v2.6.NET4.dll and SVLIB_PIC18F24J50 v2.6.NET4x64.dll.

18.3.2013, 16:04 CET

Thermostat software examples (32 and 64-bit) with source code are now available from Downloads section: Multithreading example (32-bit) based on SVLIB_PIC18F24J50 v2.6.NET4.zip and Multithreading example (32-bit) based on SVLIB_PIC18F24J50 v2.6.NET4x64.zip.

18.3.2013, 15:55 CET

PIC18F26J50 firmware v2.2 with thermostat and enhanced USB connection detection support is now available! There are also new DLLs (SVLIB_PIC18F24J50 v2.6.NET4.dll andSVLIB_PIC18F24J50 v2.6.NET4x64.dll) that provide full support of the new functionality.

18.3.2013, 14:33 CET

Thermostat application with source code that precisely controls your refrigerator (or other device) internal temperature and extends its operating range below 16°C is now available from Downloads section (see the new Multithreading examples).

16.3.2013, 4:29 CET

PIC18F24J50 v2.0 firmware is now available! You can now use super speed microcontroller programming with PIC18F24J50, too! The library gives you the same functions as the v2.0 library for PIC18F26J50. However, PIC18F26J50 is still superior and there is a new DLL version for it coming soon.

15.3.2013, 20:32 CET

Super speed microcontroller programmer software development kit (SDK) is now available. You can create your own microcontroller programming application! Also PIC Programmer v2.5 x64 with source code was released.

15.3.2013, 17:26 CET

PIC Programmer v2.4 was released. It is a 32-bit version on the super speed programmer application intended for older 32-bit operating system. It has the same functionality as the 64-bit application.

15.3.2013, 17:11 CET

PIC Programmer v2.4 x64 was released. It supports automatic detection of super speed programmer and faster programming with Velleman K8055 and K8055N boards. There is no initial delay. A chip reset function was added.

14.3.2013, 11:58 CET

High voltage programming application was superseded by a new 64-bit version PIC Programmer v2.05d x64. A bug that prevented programming was found and corrected. The application was verified to work correctly on PIC18F14K50.

14.3.2013, 10:17 CET

The first 64-bit microcontroller programmer application PIC Programmer v2.3 x64 is now available from Downloads section.

12.3.2013, 17:08 CET

Now, 64-bit DLLs for Velleman K8055 and K8055N boards are available from Downloads section! See subsection 5.j. K8055 and K8055N x64 DLL (64-bit DLL) for more information. The 64-bit DLLs were developed on 64-bit Windows 7, but they also work on all other 64-bit Windows editions, like 64-bit: Windows XP, Windows 8, Windows Server 2008 and Windows Server 2012.

12.3.2013, 13:25 CET

Why write old-fashioned 32-bit applications?? A new 64-bit PIC18F2xJ50 multithreading example with source code is now available from Downloads section! There is also a new subsection discussing 64-bit microcontroller DLLs. It is great news to announce that 64-bit application support is now available!

12.3.2013, 12:01 CET

Controlling PIC18F2xJ50 via an ASP.NET website subsection was added to the Custom projects section.

12.3.2013, 11:08 CET

Old ASP.NET samples in the Downloads section were replaced by new ones with extended functionality: Simple PIC18F2xJ50 ASP.NET example x64.zip and Simple PIC18F2xJ50 ASP.NET example x86.zip.

12.3.2013, 2:36 CET

PIC18F24J50 can also be controlled via an ASP.NET web application! Here is also a 64-bit example Simple PIC18F2xJ50 ASP.NET example x64.zip.

11.3.2013, 9:34 CET

PIC18F24J50 can also be controlled via an ASP.NET web application! To see how it works, go to Downloads section and download Simple PIC18F2xJ50 ASP.NET example.zip.

10.3.2013, 4:38 CET

Hardware independent digital oscilloscope application is available from Downloads section.

10.3.2013, 3:55 CET

Digital oscilloscope section was completely renewed and new sample applications with source codes were added.

9.3.2013, 3:37 CET

Subsection 3.@. TMeter application was updated.

9.3.2013, 2:59 CET

A new subsection discussing connection of temperature sensors to Velleman K8055 and Velleman K8055N boards was added.

9.3.2013, 2:21 CET

Subsection 4.h was updated with a new alternative to connect illumination sensor to a K8055 or a K8055N board.

8.3.2013, 14:54 CET

Windows application for accurate temperature measurement with source code is now available from Downloads section. The application guide is here.

7.3.2013, 18:16 CET

How to measure the illumination with K8055 or K8055N experiment boards? It is almost too easy!

7.3.2013, 8:59 CET

A/D output value and temperature correlation calculation procedure in c. Temperature and illumination measurement and control section was updated.

7.3.2013, 2:18 CET

Temperature sensor adjustment and Temperature calculation from a known thermistor resistance instructions were added to subsection 2.c. Temperature and illumination measurement and control.

6.3.2013, 19:20 CET

Illumination measurement application with multiple light sensors was added.

6.3.2013, 15:09 CET

Thermometer application with multiple temperature sensors was added.

4.3.2013, 14:08 CET

Subsection "5.c Need more speed?" was updated with new data and descriptions.

4.4.2013, 20:37 CET Subsection 8.a. SV PIC18F2xJ50 STARTER KIT SCHEMATIC was updated with information on alternative p-MOSFET transistors.

4.4.2013, 7:15 CET Subsections 4.n. and 4.o. were updated.

4.4.2013, 0:50 CET VC++.NET programming guide information was added to subsection 5.a.

3.4.2013, 23:48 CET C++ code examples for basic circuit, K8055 and K8055N boards are now available. Go to Downloads section to get: PIC18F2xJ50 C++ Example.zip and PIC18F2xJ50 C++ Example x64

31.7.2013, 7:02 CET A new HEX file pack for PIC32MX250F128B (SVPIC32F250F128B IO Module v2.6.1 - interrupt - all subversions.zip): The so called "interrupt version" is available from Downloads section. Interrupts require more microcontroller RAM, but provide faster response time to USB communication requests. PIC32MX250F128B has 32 kB RAM, which is more than enough...

31.7.2013, 6:59 CET PIC32MX250F128B configuration samples (*.h files for C-language applications) are available from Downloads section. Read more here.

30.7.2013, 4:07 CET A new version of PIC32MX250F128B Setup Utility (v1.1, PIC32MX250F128B_setup_utility.zip) with source code is available from Downloads section.

28.7.2013, 8:10 CET PIC32MX2X0 Programming guide has been released. Go to Downloads section to get it.

25.7.2013, 7:32 CET VB.NET support v1.0 for PIC32MX250F128B was released.

22.7.2013, 7:31 CET New PIC32MX250F128B firmware pack (SVPIC32F250F128B IO Module v2.6 - all subversions.zip) and PIC & VID Setup Utility (PIC32MX250F128B_setup_utility.zip) are available from Downloads section.

17.7.2013, 4:16 CET Having troulbe firmly soldering FOX924B crystal oscillator to your prototyping PCB? Expert advice section now has the answer.

14.7.2013, 6:00 CET The use of I2C bus is now discussed in Tips & Tricks & Troubleshooting section. Click here to read more.

11.7.2013, 18:56 CET Photos were added to ADT7410 & PIC32MX250F128B: 16-bit digital thermometer article.

11.7.2013, 11:52 CET ADT7410 & PIC32MX250F128B: 16-bit digital thermometer an error in the circuit schematic was corrected.

11.7.2013, 8:05 CET Callibration is probably the biggest pitfall of temperature measurement. ADT7410 & PIC32MX250F128B: 16-bit digital thermometer is the newest addition to Home automation section. No need to callibrate! It is all in the chip!

7.7.2013, 3:56 CET Velleman K8055N board to 32-bit PIC32MX250F128B adapter schematic was added. Programming examples are included.

4.7.2013, 23:10 CET Firmware for 4, 8, 12, 16 and 20 MHz resonator and oscillator clocked PIC32MX250F128B microcontrollers was released. Find SVPIC32F250F128B IO Module v2.5 - all subversions.zip in Downloads section. See PIC32MX250F128B Example 1.zip and PIC32MX250F128B Example 1 (x64).zip from Downloads section to implement your sollution.

1.7.2013, 17:53 CET A new PIC32MX250F128B example (32 and 64-bit version) with firmware (HEX file) was released. Get PIC32MX250F128B Example 1.zip and PIC32MX250F128B Example 1 (x64).zip from Downloads section.

26.6.2013, 1:07 CET PIC32MX250F128B to K8055 UPGRADE ADAPTER photos were released and there are new topics in the Expert advice section.

25.6.2013, 19:33 CET 32-bit upgrade schematic for Velleman K8055 experiment board was updated. Click here to see it. 

25.6.2013, 16:35 CET VB.NET support and FW for PIC32MX250F128B has just been released. This is the first version, which features 10-bit A/D and 16-bit D/A conversion, PWM and digital inputs and relay control outputs, but much more is still to come in the following days. Go to Downloads section to get PIC32MX250F128B_TESTAPP_v0.1.zip with everithing you need to use this 32-bit microcontroller from VB.NET.

24.6.2013, 7:54 CET VB.NET support and FW for PIC32MX250F128B are nearing completion and they will be released by the end of this week.

22.6.2013, 9:39 CET Alternative 32-bit upgrade schematic for Velleman K8055 experiment board was added. Click here to see it.

19.6.2013, 3:37 CET 32-bit upgrade schematic for Velleman K8055 experiment board is now available. Click here to see it.

18.6.2013, 7:06 CET Soldering SMD devices to a standard PCBs is difficult. Read here on how to do it.

18.6.2013, 4:49 CET Some texts were updated in Hot topics and sections: 1, 4, 5 and 7. <-- Click on the links to read the updated texts.

17.6.2013, 7:47 CET How I made PIC32MX250F128B microcontroller to work over USB.... Read more here.

15.6.2013, 7:46 CET Some photos were added.

15.6.2013, 5:48 CET There is a good news for all Velleman K8055N board users: SK9 connector on Velleman K8055N board is PICkit 2 and PICkit 3 ready!

14.6.2013, 21:58 CET PIC32MX250F128B needs a stable oscillator to work over USB. You might use a 20 MHz FOX924B crystal oscillator to avoid problems with selection of crystal resonator capacitors. Here is the shematic.

14.6.2013, 21:25 CET Are you are ready to invest into PICkit 3 programmer/debugger? You still need to build a suitable header to programm your PIC32MX250F128B microcontroller. Here is the schematic.

12.6.2013, 7:13 CET Buying a cheap PIC programmer is sometimes a better option than building your own. However, there are some important things to know.

30.5.2013, 17:40 CET  Section 9 was added. If you seek a practical advice, you might find it in EXPERT ADVICE section.

30.5.2013, 6:16 CET Digital to analog converter (DAC) based on PWM makes it possible to convert PWM signal with base frequency around 20 kHz to analog voltage level from 0 V to 5 V.

26.5.2013, 7:53 CET PC USB Project website received a facelift.

26.5.2013, 0:44 CET Hot topics were updated.

23.5.2013, 5:29 CET Read Making a PIC32 programmer considerations, if you intend to design and/or build your own PIC32 programmer.

16.5.2013, 5:38 CET How setting the right oscillator configuration defers on PIC18 and PIC32?

10.5.2013, 4:48 CET Is it difficult to get USB working on PIC32MX250F128B? Read more here.

6.5.2013, 11:50 CET Is a DDL for a PIC32 to connect to a PC via USB different from the PIC18 DLL? Read the answer here.

28.4.2013, 22:45 CET Basic circuit for PIC32MX2xxFxxxB to work over USB was added to subsection 5.o.

27.4.2013, 9:48 CET It seems that Microchip PE for PIC32 programmong and verification is not optimal: Have you ever asked yourself what are the basic functions of a PIC24 or PIC32 Program Executive (PE)? Read more here.

26.4.2013, 4:59 CET Section 1.h on PIC24 and PIC32 JTAG Programmer was updated.

25.4.2013, 13:53 CET PIC Programmer v3.0 (x64) JTAG PIC18 and PIC32 JTAG programmer application for Windows with .NET v4.x framework is now available from Downloads section.

24.4.2013, 8:49 CET The search for the right program executive to quickly program PIC32MX250F128B with 32 words flash RAM write buffer is on. Read more here.

20.4.2013, 8:01 CET SVLIB_PIC18F24J50 v3.3.NET4(x64).DLL (32-bit & 64-bit) has inbuilt program executive for PIC32 JTAG programmer. You can get it from Downloads section. There is also a note on getting PE up and running in Tip & Tricks & Troubleshooting section. New instructions on how to use the new functionality are also in the updated Programming guide.

18.4.2013, 7:38 CET PIC18F24J50 firmware v2.0 - all subversions.zip file now contains all firmware available subversions of PIC18F24J50 firmware v2.0.

18.4.2013, 7:27 CET Obsolete versions of programming are now available from DOWNLOADS ARCHIVE subsection. Use them only, if you have compatibility issues.

17.4.2013, 12:49 CET Is Microchip PIC32 Flash Programming Specification faulty!? MIPS documentation revealed some mistakes....

17.4.2013, 9:57 CET Some new tips and tricks were added to section 7 while the work on the first version of the JTAG Programmer application nears completion.

15.4.2013, 9:48 CET PIC18F2xJ50 Programming guide v1.1 is now available from Downloads section.

15.4.2013, 7:55 CET SVLIB_PIC18F24J50 v3.2.NET4(x64).DLL (32-bit & 64-bit) that fully support PIC18F26J50 firmware v2.4 are now available from Downloads section.

15.4.2013, 7:00 CET Firmware v2.4 for PIC18F26J50 microcontroller is now available in PIC18F26J50 firmware v2.4 - all subversions.zip file from Downloads section. 4 MHz through 20 MHz subvesrions are included. The firmware supports JTAG programmer functionality. It enables you to build your own PIC24 and PIC32 programmer application.

13.4.2013, 6:35 CET The most difficult phases of the JTAG programmer for PIC24 and PIC32 microcontrollers are over. Now, there is just some more work to do to finish and wrap up the project. Here are the answers to two interesting questions regarding JTAG programmer development: Is JTAG protocol difficult to implement? Is programming PIC24 and PIC32 difficult?

12.4.2013, 3:11 CET JTAG PIC24 and PIC32 Programmer application development status: The work on programmer software is in a full swing and 32-bit PIC32MX250F128B microcontroller is already talking to the Windows PIC Programmer application v3.0... However, there is still some work to be done... But the JTAG programmer schematic has proven to be successful.

10.4.2013, 10:34 CET JTAG PROGRAMMER FOR PIC24 AND PIC32 FAMILIES schematic was changed. TMS and Power control pins were swapped, because of code optimization.

10.4.2013, 4:19 CET JTAG PROGRAMMER FOR PIC24 AND PIC32 FAMILIES schematic was updated. BSS 92 p-MOSFET pins numbers were corrected.

9.4.2013, 1:21 CET JTAG programmer schematic is now available for programming 28-pin PIC32MX250FxxxB microcontrollers. Programmers for other microcontrollers are the same, except the JTAG pins (TCK, TDI, TDO and TMS) connections might be different. Click here to see the JTAG programmer schematic.

8.4.2013, 23:38 CET Does programming of 32-bit PIC32 and 16-bit PIC24 microcontrollers differ from programming of 8-bit PIC18 and earlier microcontrollers? Click here to read about the difference.

8.4.2013, 10:04 CET A self-powered protoboard with a microcontroller IC circuit tester is a very useful tool that enables rapid circuit design testing. Read here to see the important issues on making one.

7.4.2013, 17:24 CET Will I benefit, if I use PIC24 or even PIC32 microcontroller instead of PIC18? Click here to read the answer.

7.4.2013, 13:19 CET Can two PIC microcontrollers communicate with each other via USB? Click here to get the answer.

5.4.2013, 16:30 CET Switching another PC and its attached devices on and off via USB with a microcontroller is only one of the two power saver tricks. See subsection 7.f to learn more.

5.4.2013, 13:13 CET  p-MOSFET transistor switches can help you save power. See subsection 5.n for more details.

31.12.2013 4:12 CET A new expert advice: "Why PIC18FxxJxx microcontrollers are superior to PIC18Fxxxx microcontrollers?" was added to Expert advice section.

29.12.2013 10:18 CET Tips on making a fail-safe thermostat with 16-bit digital temperature sensors article was added to TIPS&TRICKS&Troubleshooting section.

29.12.2013 3:49 CET Article: 16-bit thermometer and thermostat: DigiTM application with source code was updated.

29.12.2013 2:53 CET PIC32MX250F128B firmware v2.8.81 - thermostat edition.hex is now available from Downloads section. This is a special preset edition of the v2.8.3 firmware for the thermostat appliaction with two ADT7410 temperature sensors. It includes a number of fail safe features that are not available in v2.8.3 firmware for general use. v2.8.81 firmware only works with a PIC32MX250F128B microcontroller with an 8.000000 MHz XTAL crystal resonator.

26.12.2013 22:18 CET PIC32F2x0FxxxB PROGRAMMING GUIDE v2.2 for PIC32 microcontrollers programing in VB.NET was released. You can also get the PDF-file from Downloads section.

26.12.2013 16:31 CET PIC32F250F128B firmware v2.8.3 - all subversions.zip and SVLIB_PIC32MX2X0 v1.6.NET4(x64).dll were released. Watchdog timer and I2C bus and devices resets are now supported. Go to Downloads section to get the new firmware and 32-bit and/or 64-bit libraries.

22.12.2013 4:46 CET Aticle: 16-bit thermometer and thermostat: DigiTM application with source code was updated with a new schematic

21.12.2013 17:39 CET PIC32MX250F128B firmware v2.8.2 was released. Automatic thermostatic control operation bug that occured at negative temperatures was corrected. Negative temperatures are now correctly compater to threshold values.

19.12.2013 3:38 CET Article: "16-bit thermometer and thermostat: DigiTM application with source code" was updated.

19.12.2013 3:17 CET A new example on using two temeperature sensors with PIC32MX250F128B thermostate was added. Get a 32-bit or a 64-bit version of "Digital thermometer and thermostat (ADT7410) v7 - two ADT7410 sensors example (x64).zip" from Downloads section.

19.12.2013 3:06 CET A new version of firmware for PIC32MX250F128B was released. A bug related to the independant thermostatic operation when two or more ADT7410 temperature sensors are connected, was corrected. Get PIC32F250F128B firmware v2.8.1 - all subversions.zip from Downloads section.

17.12.2013 3:28 CET Article: "SK9 connector on Velleman K8055N board is PICkit 2 and PICkit 3 ready!" was updated.

17.12.2013 3:18 CET Article: "Exploring SK9 connector on Velleman K8055N board: Can it be used for programming the microcontroller “on the fly” by another K8055N board?" was updated with new information.

17.12.2013 2:57 CET PIC18 Programming Guide was updated.

15.12.2013 5:16 CET For all those who still hasitate to switch to PIC32, because it is difficult to get the USB 2.0 connection running: Here is an example of PIC32MX250F128B with an 8.000000 MHz XTAL crystal resonator that operaters perfectly over USB. Photos are included.

13.12.2013 5:16 CET Impulse width measurement: ECCP PWM Meter Example for PIC18F2550 example was added to Velleman experiment boards K8055 and K8055N upgrade projects section.

13.12.2013 3:57 CET ECCP PWM Meter for PIC18F2550 sample application was uploaded to Downloads section. The application enables measurement of impulse width with an inbuilt (E)CCP unit present in PIC18 and PIC32 microcontrollers. PIC18F2550 firmware v2.6.hex and a modified Velleman K8055-1 board with a 4 MHz crystal and the R35 resistor removed are needed to run the application. The functionality will be available for other PIC18 and PIC32 microcontrollers, soon.

12.12.2013 3:55 CET Article Super speed reconfigurable USB microcontroller programmer was updated.

12.12.2013 3:32 CET Article PIC32MX250F128B USB Setup Utility v2.0 with source code was updated.

12.12.2013 3:21 CET Article How many K8055-1 and K8055N-2 boards can I connect to a PC? was updated with new information.

9.12.2013 3:05 CET Article Turn K8055-1 or K8055N-2 into a microcontroller programmer in Velleman experiment boards K8055 and K8055N upgrade projects section was updated with new optons information.

6.12.2013 19:08 CET PIC Programmer v2.9.8 with source code was released. Get it from Downloads section. All PIC18 microcontrollers are now supported. The microcontroller now autodetection automatically detects all PIC18 microcontrollers and sets appropriate parameters. Support for PIC18FxxKx microcontrollers high voltage programming was added. PIC18FxxKxx microcontriller family has a high voltage range from 2.0 V to 5.5 V.

5.12.2013 2:11 CET PIC18F2550 firmware v2.5 - all subversions.zip *.HEX-file pack was released. It includes 4 MHz (XTAL), 8 MHz (XTAL and HS), 12 MHz (HS), 16 MHz (HS) and 20 MHz (HS) subversions.

4.12.2013 11:00 CET Velleman K8055 (K8055-1) USB experiment board easy upgrade is now available for all owners of the old Velleman K8055-1 experiment board. Velleman K8055 (K8055-1) experiment board is easily adapted to use PIC18F2550 microcontrollers. Just replace the 6 MHz crystal with a 4 MHz one. Choose a cyrstal with high casing and accuracy of 4.000000 MHz. Next, remove the R35 resistor, program a PIC18F2550 microcontroller and you are done!

4.12.2013 9:50 CET PIC18F2550 v2.5.hex firmware was added to Downloads section. It supports v2.5 firmware on PIC18F2550 Microchip microcontrollers that are clocked by a 4 MHz (XTAL) external crystal resonator. Velleman K8055 (K8055-1) experiment board is easily adapted to use PIC18F2550 microcontrollers. Just replace the 6 MHz crystal with a 4 MHz one. Choose a cyrstal with high casing and accuracy of 4.000000 MHz. Next, remove the R35 resistor, program a PIC18F2550  microcontroller and you are done!

4.12.2013 9:45 CET PIC Programmer v2.9.7 with source code was released. Get it from Downloads section. Configuration words are now correctly programmed. The previous version incorrectly programmerd even configuration word locations. Support for PIC18Fxxxx microcontrollers high voltage programming was added. PIC18Fxxxx microcontriller family has a high voltage range from 2.0 V to 5.5 V. Microcontroller autodetection is now enabled. Configuration words are now propertly erased before reprogramming. PIC Programmer v2.9.6 was removed from Downloads section.

4.12.2013 8:20 CET PIC Programmer v2.9.6 with source code was released. Get it from Downloads section. Support for PIC18Fxxxx microcontrollers high voltage programming was added. PIC18Fxxxx microcontriller family has a high voltage range from 2.0 V to 5.5 V. Microcontroller autodetection is now enabled. Configuration words are now propertly erased before reprogramming. PIC Programmer v2.9.5 was removed from Downloads section.

3.12.2013 8:20 CET PIC Programmer v2.9.5 with source code was released. Get it from Downloads section. Support for PIC18Fxxxx microcontrollers high voltage programming was added. PIC18Fxxxx microcontriller family has a high voltage range from 2.0 V to 5.5 V.

1.12.2013 3:17 CET Updated: Basic circuit for PIC18F24J50 or PIC18F26J50 to work over USB

1.12.2013 3:06 CET Updated: Need more speed? Here is a basic circuit for PIC18F24J50 and PIC18F26J50

29.11.2013 6:49 CET Updated: Is it difficult to get USB working on PIC32MX250F128B?

27.11.2013 4:25 CET Making a PIC32 programmer considerations, How to make a 32-bit PIC32MX250F128B microcontroller to work on USB 2.0 and How setting the right oscillator configuration defers on PIC18 and PIC32? in TIPS & TRICKS & Troubleshooting section articles were updated. A 4-wire JTAG programmer cannot read, verify or erase an externally clocked PIC32 microcontroller, if the configured external clock source is not provided.

27.11.2013 1:41 CET Making a PIC32 programmer considerations article in TIPS & TRICKS & Troubleshooting section was updated.

26.11.2013 19:00 CET Articles How to make a 32-bit PIC32MX250F128B microcontroller to work on USB 2.0 and How setting the right oscillator configuration defers on PIC18 and PIC32? in TIPS & TRICKS & Troubleshooting section were updated.

25.11.2013 0:46 CET PIC Programmer v3.2 and PIC Programmer v3.2 x64 applications with source code were released. They enable PIC32MX250F128B programming. Go to Downloads section to download them. See JTAG PROGRAMMER FOR PIC32 FAMILY for details. A checksum calculation error is now corrected. The error caused some locations not to be programmed (value 0xFF) and caused microcontroller to fail. Now the configurations words are correctly configured and all the memory gets correctly programmed.

23.11.2013 20:08 CET PIC Programmer v1.2 application for MCP2200 based PIC Programmers with source code was released. These programmers that operate via USB need no preprogramming. Go to Downloads section to download them. A checksum calculation error is now corrected. The error caused some locations not to be programmed (value 0xFF) and caused microcontroller to fail in some cases. All the *.HEX files from this website are not affected by this error, but the new examples will not be tested on previous PIC Programmer versions. PIC Programmer v1.1 was removed from Downloads section.

23.11.2013 10:34 CET PIC18F24J50 firmware v2.5 - all subversions.zip was released. It has the same functionality as PIC18F26J50 firmware v2.5. Use PIC Programmer v2.9 or PICProgrammer v2.9 x64 application or a commercial programmer to program it. HEX files are in PIC18F24J50 firmware v2.5 - all subversions.zip file in Downloads section.

23.11.2013 4:09 CET PIC Programmer v2.9 and PIC Programmer v2.9 x64 applications with source code were released. Go to Downloads section to download them. A checksum calculation error is now corrected. The error caused some locations not to be programmed (value 0xFF) and caused microcontroller to fail in some cases. All the *.HEX files from this website are not affected by this error, but the new examples will not be tested on previous PIC Programmer versions.

17.11.2013 15:03 CET PIC32MX250F128B firmware v2.8 is available together with a new 32-bit and 64-bit DLLs: SVLIB_PIC32MX2X0 v1.5.NET4.dll and SVLIB_PIC32MX2X0 v1.5.NET4x64.dll. A new function PIC32_jump that enables to start execution on an arbitrary memory location (RAM or EEPROM) has been added. This enables one to add addtional programming to the microcontroller via USB. A VB.NET example will be available soon. See PIC32MX2x0FxxxB programming guide chapter o for more information.

15.11.2013 6:33 CET A new version of Super speed PIC Programmer application (v2.8) with source code was released. VID and PID detection error is now corrected. Go to Downloads section to get the new version.

5.11.2013 6:49 CET PIC internal EEPROM (flash RAM) programming examples were added to Downloads section: 32-bit and 64-bit examples are available from the following ZIP-files: Internal EEPROM programming.zip or Internal EEPROM programming x64.zip.

5.11.2013 5:58 CET Online PIC18F2xJ50 programming guide was updated.

5.11.2013 5:26 CET A new DLL (SVLIB_PIC18F24J50 v3.7.NET4.dll and SVLIB_PIC18F24J50 v3.7.NET4x64.dll) for PIC18F26J50 with v2.5 firmware is available from Downloads section.

5.11.2013 5:17 CET A new firmware for PIC18F26J50 was released. Go to Downloads section and get PIC18F26J50 firmware v2.5 - All subversions.zip. EEPROM writes and programatic microcontroller reset are now supported.

5.11.2013 5:16 CET PIC32MX250F128B firmware v2.7.4 ZIP-file was renamed to PIC32MX250F128B firmware v2.7.4.zip and SVPIC32MX250F128B firmware v2.7.4.zip. The previous name was inconsistent.

21.10.2013 5:15 CET A simplified alternative PICkit 3 header for PIC32MX250F128B programming was added.

20.10.2013 11:09 CET EXPERT ADVICE: Is RAM based USB PIC programmer possible?

20.10.2013 7:22 CET Low frequency generator is now also available for PIC18F26J50 that my be directly used with Velleman K8055N boards.

14.10.2013 6:23 CET Subsection 4.b Turn K8055 or K8055N into a microcontroller programmer was updated.

14.10.2013 6:00 CET A new version of Super speed PIC Programmer application (v2.7) with source code was released. VID and PID configuration is now working propertly. Go to Downloads section to get the new version.

13.10.2013 5:53 CET HOME AUTOMATION: Innovative UPS for small home applications

12.10.2013 8:30 CET Wireless communication project was added to Custom projects section.

10.10.2013 2:02 CET TIPS&TRICKS&TROUBLESHOOTING - updated content: Using I2C bus

7.10.2013 5:43 CET UPDATED EXPERT ADVICE: How does PC USB Projects compare to Arduino projects?

6.10.2013 6:35 CET EXPERT ADVICE: How does PC USB Projects compare to Arduino projects?

3.10.2013 1:58 CET EXPERT ADVICE: Is it possible to inbuilt artificial intelligence i.e. self-learning features into a microcontroller?

1.10.2013 8:40 CET EXPERT ADVICE: How does PIC32MX250F128B compare to PIC18F24J50, PIC18F26J50 and PIC18F25K50?

30.9.2013 18:00 CET EXPERT ADVICE: Is an assembly language superior to C language or C++ when programming modern 32-bit microcontrollers?

29.9.2013 20:05 CET PIC32MX250F128B PROGRAMMING GUIDE v2.0 is available from Custom projects section (HTML version) and Downloads section (PDF version). The new programming guide covers all PC32MX250F128B firmware v2.7.4 functions.

29.9.2013 6:03 CET EXPERT ADVICE: Is an experiment board kit with 32-bit PIC32MX250F128B microcontroller possible in the future?

29.9.2013 3:50 CET EXPERT ADVICE: Can I use J chips on an unmodified K8055 board? Can I possibly use full speed USB with an unmodified K8055 board?

28.9.2013 21:15 CET EXPERT ADVICE: Is 10-bit A/D conversion on a Velleman K8055 or K8055N experiment board truly achievable?

28.9.2013 18:35 CET EXPERT ADVICE: Is a PIC32 microcontroller truly overkill for a trivial application compared to a PIC18 microcontroller?

28.9.2013 16:10 CET 8-channel low frequency generator sample application for servo motor control with source code (8-channelLFgenerator.zip and 8-channelLFgenerator x64.zip) was released to Downloads section.

28.9.2013 16:09 CET SVLIB_PIC32MX2X0 v1.4.NET4.dll that supports all functions of PIC32MX250F128B firmware v2.7.4 in VB.NET was released to Downloads section.

28.9.2013 16:08 CET PIC32MX250F128B firmware v2.7.4 with inbuilt 8-channel 32-bit low frequency generator and independent thermostat functionality was released to Downloads section.

27.9.2013 4:28 CET EXPERT ADVICE: How to set the PWM prescaler value and drive a stepper motor...

26.9.2013 3:25 CET UPDATED: What additional functionalities are included in PIC18F2xJ50 and PIC32MX250F128B firmware on this website comared to the original Velleman firmware for K8055N experiment board?

25.9.2013 5:16 CET Advanced version of Digital thermometer and thermostat application is available. Go to Downloads section to get 32-bit (Digital thermometer and thermostat (ADT7410) v6.zip) or 64-bit version (Digital thermometer and thermostat (ADT7410) v6 x64.zip). Both applications work with PIC32MX250F128B microcontroller with v2.7.3 firmware or later.

24.9.2013 10:19 CET Discussion on Velleman PIC programmer kits troubleshooting: My computer won't recognize my Velleman PIC programmer. What should I do? Are there any better alternatives?

23.9.2013 8:07 CET Digital thermometer and thermostat application is finally ready. Go to Downloads section to get 32-bit (Digital thermometer and thermostat (ADT7410) v6.zip) or 64-bit version (Digital thermometer and thermostat

(ADT7410) v6 x64.zip). Both applications work with PIC32MX250F128B microcontroller with v2.7.3 firmware or later.

23.9.2013 8:00 CET PIC32MX250F128B firmware v2.7.3 with inbuilt independent thermostat functionality was released to Downloads section. The firmware supports presets and independent operation and analog and digital temperature sensors (ADT7410). Current temperature value and temperature thresholds may be observed or set via USB. The thermostat may work without a PC when configured.

21.9.2013 6:50 CET New ADT7410 temperature sensor 32-bit and 64-bit examples for PIC32MX250F128B with VB.NET source code (Digital thermometer (ADT7410).zip and Digital thermometer (ADT7410) x64.zip)were released to Downloads section. They include enhanced I2C support as well as enhanced ADT7410 support with double buffering, which enables instant access to last measured temperature value.

21.9.2013 6:44 CET New PIC32MX250F128B firmware v2.7.2 (SVPIC32F250F128B IO Module v2.7.2 - all subversions.zip) with inbuilt I2C bus master support and PIC32MX2X0 v1.3.NET4 and PIC32MX2X0 v1.3.NET4x64 DLL libraries with I2C support were released in Downloads section. Multiple I2C devices and up to 4 ADT7410 temperature sensors are supported.

19.9.2013 15:00 CET PC USB Project website finally got a nicer look!

18.9.2013 2:38 CET ADT7410 & PIC32MX250F128B: 16-bit digital thermometer build instructions in Home automation section were updated.

17.9.2013 4:41 CET Is it easier to build a (Velleman) kit, or to buy just the prototyping PCB and start with the basic circuit from this website? Read more here, or take a look at Expert advice section.

15.9.2013 20:31 CET A new PIC32MX250F128B VID&PID setup utility v2.0 with source code is now available from Downloads section. No USB device reconnection is needed to use the new VID&PID combination.

12.9.2013 5:47 CET Digital to analog converter (DAC) based on PWM subsection in Custom project section was updated with PIC32 implementation information.

8.9.2013, 19:30 CET ADT7410 temeprature sensor was succesfully connected to K8055 and K8055N experiment boards. The 32-bit and 64-bit sample applications with source code are available in Digital thermometer (ADT7410 on K8055(N)).zip and Digital thermometer (ADT7410 on K8055(N)) x64.zip files from Downloads section. You need a simple adapter to connect ADT7410 temperature sensor to K8055 or K8055N experiment board.

5.9.2013, 19:20 CET Subsection 4.s. K8055 and K8055N to 16-bit ADT7410 temperature sensor I2C bus adapter was updated.

6.9.2013, 4:39 CET Measuring temeprature with K8055 or K8055N Velleman experiment board has never been easier! Connect 16-bit ADT7410 temperature sensor directly to your K8055 or K8055N (no modification to the board).

5.9.2013, 7:10 CET It has never been easier to accuretely measure temperature with your K8055(N) board! K8055 and K8055N to 16-bit ADT7410 temperature sensor I2C bus adapter schematic is now available.

4.9.2013, 4:45 CET Subsection How to read PWM temperature from Velleman K6001 kit? was updated.

3.9.2013, 15:57 CET Velleman seems to have changed its forum's user policy: Yesterday, I had realized that one of Velleman's administrators had somehow deleted all my comments from his or her forum for no apparent reason. I believe that this action is against freedom of being informed of new technologies and alternative uses of Velleman products. Though some of my comments remain as texts refered by other users, I have no intention to rejoin the forum. From now on, please write to my e-mail address bellow, if you would like to discuss any topics from Velleman's user forum.

2.9.2013, 5:06 CET An expert advice on obtaining DLL and FW source codes was added to section 9. Read "Can I have source code?" to get more information.

25.8.2013, 10:55 CET PICkit 3 header schematics for PIC18F2xJ50 programming are now available.

24.8.2013, 23:43 CET "How to program PIC18F24J50 or PIC18F26J50 microcontroller with PICkit 3 programmer/debugger?" expert advice was added.

20.8.2013, 6:32 CET PIC32MX250F128B simple oscilloscope application v2.0 (x64) which operation up to 1 milion samples per second was added. Get it free from Downloads section.

20.8.2013, 6:29 CET New 32-bit and 64-bit DLL libaries for PIC32MX250F128B firmware v2.7.1 were released. They are available in SVLIB_PIC32MX2X0 v1.2.NET4.dll and SVLIB_PIC32MX2X0 v1.2.NET4x64.dll files from Downloads section. Support for user ADC configurations was added.

20.8.2013, 6:27 CET A new PIC32MX250F128B firmware v2.7.1 was released. It supports user ADC configurations. The new firmware is available in SVPIC32F250F128B IO Module v2.7.1 - all subversions.zip file from Downloads section.

13.8.2013, 6:53 CET PIC32MX250F128B simple digital oscilloscope example (32-bit and 64-bit version) with source code was added to 3.b. Digital oscilloscope application that uses a microcontroller.

12.8.2013, 5:33 CET Subsection 5.i. 64-bit application support was updated with PIC32MX250F128B microcontroller information.

12.8.2013, 5:11 CET Subsection 5.f. Multithreading support was updated with PIC32MX250F128B microcontroller information.

12.8.2013, 4:47 CET New Multithreading examples (32 bit and 64-bit) based on SVLIB_PIC32MX2X0 v1.1.NET4(x64) ware released. They are available in Multithreading example (32-bit) based on SVLIB_PIC32MX2X0 v1.1.NET4.zip and Multithreading example (64-bit) based on SVLIB_PIC32MX2X0 v1.1.NET4x64.zip files from Downloads section. They include: PIC32MX250F128B A/D block onversion at 1 Msps, microcontroller restart and enhanced microcontroller USB connection recovery (after mictocontroller restart or temporary connection lose).

12.8.2013, 4:31 CET New 32-bit and 64-bit DLL libaries for PIC32MX250F128B firmware v2.7.0 were released. They are available in SVLIB_PIC32MX2X0 v1.1.NET4.dll and SVLIB_PIC32MX2X0 v1.1.NET4x64.dll files from Downloads section. Support for 1 Msps (mega samples per second) capture and 8 kB buffer on PIC32MX250F128B and PIC32MX250F128B restart via USB were added.

12.8.2013, 4:19 CET A new PIC32MX250F128B firmware v2.7.0 was released. It supports 1 Msps (mega samples per second) capture and 8 kB buffer on PIC32MX250F128B and PIC32MX250F128B restart via USB. The new firmware is available in SVPIC32F250F128B IO Module v2.7 - all subversions.zip file from Downloads section.

8.8.2013, 6:35 CET Article How to make a 32-bit PIC32MX250F128B microcontroller to work on USB 2.0 from section 7. TIPS & TRICKS & Troubleshooting was updated.

5.8.2013, 8:47 CET Subsecton 4.a Simple PIC18F24J50 firmware upgrade adds many new functionalities like 10-bit A/D conversion, additional analog input channelswas updated, 64-bit DLLs, programming "on the fly" and lots more.

2.8.2013, 9:59 CET Velleman K8055(N) and universal temperature sensor K8067 work together perfectly, but there is a much better option to measure temperature.

2.8.2013, 7:14 CET Modular oscilloscope for everyone: Read more here.