The Arduino microcontroller has a nearly limitless array of innovative applications for everything from robotics and lighting, to games and gardening! It's a fun way to automate everything, enabling you to control simple devices or manage complex Halloween displays.


 Here are some of the best do-it-yourself Arduino technology projects to educate and inspire you to make great things!

Now, there were a couple of libraries I recall having to customize, in order to get my project to work: ArduinoOTA, Mcufriend (or something like that) l, as well as changing the Mega256 to OptiBoot...


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You can set a custom sketchbook folder location in the Arduino IDE at File > Preferences > Sketchbook location. So you can just set the sketchbook folder location to your project-specific sketchbook folder when you want to use it. This allows you to use the libraries in the normal manner. It also allows you to bundle manually installed boards platforms with your project.

When you put the Arduino IDE in portable mode:

 

The sketchbook and data directory where boards platforms installed via Boards Manager are installed are under the "portable" subfolder of the Arduino IDE installation. This means that everything is in one folder, including the version of the Arduino IDE the project is compatible with. So this is the method that allows you to truly "save ALL pertinent files of a project".

So I have been trying to get project 14 working on the Arduino. However, the logo just changes colors wildly, and takes no input from the Arduino - when I take out the white knob, it does nothing for the program.

The code is correct- I typed it twice; I used the processing code both from the website with Processing 3.2.3 and from my more outdated Aruduino book with Processing 1.5.1. Each time, it did the same thing - values appeared in the console on Processing, but the values were random, and not connected to the Arduino. The color change on the logo matched those values.

Sorry - I assumed all the Arduino boards had the same workbook. I have the Arduino Uno.

Project 14 is "Tweak the Arudino Logo." The goal of the project is to turn the potentiometer (connected to A0)on the breadboard and change the color on the sketch of the Arduino logo on Processing. I don't know if you had used that- it's needed for this project in my workbook, but I don't know about other Arduini.

I just checked my wiring again; it is the same as in the book, except that the pot is straddling the middle of the breadboard (with the A0 wire then on the other side with the single-pin side of the pot). This seemed to make no difference in my other projects. Still I tried putting all the wires and the pot on one side; it made no difference. Other than that there is no difference between my breadboard and the example in the book.

I can't get project 1 to work, whenever I plugin the usb cable I get a notification on my mac "Unplug the accessory using too much power to re-enable USB devices." When unplugging my starter cable it works, but whenever I reconnect it I get the same issue.

I'm far from an EE, most of the component values I've used have been copying from other projects or trial and error. For this project, the resistors in front of the LEDs are 220[ch937] resistors, and the decoupling capacitor on the chip is a 0.1F cap. There's also a 10k[ch937] pulldown resistor for the button.

I thought the video was very professional actually! Arduino videos are synonymous for me with "Ummm hey guys, this ummm an arduino" with the video being taken by a cellphone camera shakily shooting a monitor you can't read. Your video a welcome surprise-- brief, to the point, informative, and clear.

One of my projects is around 60 files and this is so nice to be able to compile it much faster. If I can ever get git to clone to my machine, I'd love to add an option to skip the verify step of the avrdude upload and get my 30KB compile + upload down to 15s total!

This is making me happy that I have 3 teensy's rather a arduino, besides this modification there is so many other things that specifically make a teensy great... I'm really surprised to see so many people buying a arduino and trying to use it as a g-code interpreter for a cnc. Teensy' 2+ offers so much more program space and communication speed...

I'd like to thank paul for supporting open source. I've seen several attempts of him trying to contribute to different projects.

if arduino doesnt resolve this issue, i'd still like to say your hard work has been appreciated by at least 2 of your customers. if only the whole community could enjoy your fixes without such a long delay from the arduino team.

I have a #include "folder/foo.h at the top of project.ino. However while the header provides the prototype of the function, the function definition is in the cpp file. When I try to compile the code using the Arduino IDE, it fails with errorUndefined reference to 'bar()'and bar() is located in foo.cpp

Open a tab in your project for each file.You can create a new file or import an existing file into your project.This way you can use multiple *.ino, *.c, *.cpp and *.h files. I didn't find a way to import a local directory or to configure your project structure.

First of all it is great a pleasure for me to finally join in this illustrious community. I have found out about Platformio project on January of this year and ever since have been using it for many of my arduino projects. I use the Atom Text editor which I found to be extremely easy and intuitive to learn and use.

When I write codes in Arduino IDE, I can split the function bodies from the main ino files into discrete files following a sequential alphabetical naming scheme viz. A.main , B.pid, C.motor etc etc. When I hit the compile button, arduino compiles all these files and their associated header files without any error. Also the other ino files are capable of recognizing public variables, function calls written in libraries by other users installed into the Arduino IDE.

Hence though I am not an expert in this subject matter, I strongly believe the platformio community/team should make ONE DEFINITIVE TUTORIAL to teach us less experienced programmers on how to create a multifile arduino project which will do the following

And a header-file (.h) with the function prototype and the struct definition. Arduino.h has to be included so you can use the variable type String. To clean up your project directory you can put the header-file in the include-folder while the source-file (.cpp) should be in the src-folder.

myhelperfunctions.h:

I totally agree. My programming discipline is questionable. I have a lot of multiple .ino projects and I am having a real struggle with getting a clean and manageable structure in Platformio.

At the moment, the Arduino IDE makes them far more readable.

For native C++ programmers, I guess the structure is second nature. For migrants from Arduino, it needs a better explanation - please?

I found that once I had a project working in platformIO that it was easy to navigate to, say a function, because they are all listed. However, I went back to the Arduino IDE for now because I can be get the job done much easier and quicker.

When I next try platformIO I plan to move the code from multiple tabs into one main tab, import that to platform.IO and get it running then maybe break it down into separate .ccp and .h files.

A practical, simple arduino project of creating a real time clock capable of displaying Gregorian dates and daily prayer times. For this simple circuit we need to use an Arduino UNO (or any Arduino board), RTC DS1307 and NOKIA 5110 LCD.

3D projection is any method of mapping three-dimensional points to a two-dimensional plane. As most current methods for displaying graphical data are based on planar two-dimensional media, the use of this type of projection is widespread, especially in computer graphics and engineering.

This project uses Arduino Uno Rev3 and Grove Base Shield V2.0 to make this Lucky Money Counting Box for those who want to count their red packets. With the IR distance sensor, you can use this box to easily calculate other things if you want.

Through this project you will walk through creating an IoT-based weather data logger using Blues Wireless hardware modules; no SD card, Wi-Fi, or BLE is required. Just connect your Blues Notecard and Notecarrier to the controller to track your weather data.

Introducing GetFit, your ultimate health and workout buddy! The authors made GetFit, an easy-to-use, teachable fitness tracker capable of detecting a wide variety of workouts. Powered by Arduino Nano 33 BLE Sense and Edge Impulse, it is a fully open source project.

Have you considered that the camera can monitor the room in all directions? This project creates a motion detection/tracking base. You can attach a camera to it so it automatically repositions itself wherever it detects motion.

Are you also facing difficulties when wanting to use Arduino for color detection for classification or other applications? This project takes advantage of the fundamental properties of semiconductors to create an Arduino-based, DIY, low-cost color sensor using components you probably already have.

Home robot bartender? Sounds great. This project uses an Arduino Uno to build yourself a low-cost and easy-to-assemble Bluetooth-controlled robotic bartender. This simple Arduino-based project can be 3D printed and is a cool Arduino project for beginners.

With Flick, the possibilities are endless! You can now control your computer, TV, music system, and many more with a Flick of the Wrist! In this Arduino UNO R3 project, we will be using Flick with the Arduino UNO to create a musical instrument! 006ab0faaa

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