Week #8 - Journal

Tell us about your assignment's idea for this week. Why do you care about this idea? What inspired you? (Please include images or links to sources of inspiration)

Since we started programming, I have been thinking of the simplest ideas for my assignments.

So I thought of controlling an RGB LED and a Buzzer, and it was straightforward, so I decided to complicate it by making tones with the buzzer from scratch.

I found the tone frequencies, copied the tones I play on the piano, and tested with the delays.

Tool Chain

Which software/machines/materials did you use in the assignment? Why?

Software

I used Fritzing to design the wiring diagram.

I used Arduino IDE to sketch and upload the text code on the Arduino UNO board.

I used Arduino Bluetooth Control to control the Arduino UNO board through the Bluetooth module on an Android mobile phone.

Electronic components

Arduino UNO board

will be connected to the inputs and the outputs and power them. It is also going to run the code on the components.

Breadboard

To fix the components in and connects them together.

RGB LED

which is going to emit different color light.

Piezo Buzzer

is going to make tones.

Bluetooth Module HC-05

is going to connect the mobile phone to the Arduino.

220-ohm Resistor

Adjusts the current passing through the RGB LED.

male-male Jumper wires

Connecting the components.

male-female Jumper wires

Connecting the Bluetooth Module to Arduino.

Design/Preparation Process

Explain the design and/or preparation process of your assignment. How did you use the tool or software to design and/or prepare your assignment before fabrication/implementation?

The circuit on Fritzing

RGB LED connected to pin 4, pin 3, and pin 5.
Piezo Buzzer connected to pin9.
HC-05 RX is connected to TX->1
HC-05 TX is connected to RX<-0

RGB LED and Piezo Buzzer are OUTPUTS

When we push 1 on the GUI, the LED turns Red and the Buzzer plays the 1st part of the song "Do-Re-Mi".
When we push 2 on the GUI, the LED turns Green and the Buzzer plays the 2nd part of the song "Do-Re-Mi".
When we push 3 on the GUI, the LED turns Blue and the Buzzer plays the 3rd part of the song "Do-Re-Mi".
When we push 4 on the GUI, the LED turns White and the Buzzer plays the 4th part of the song "Do-Re-Mi".

Development/Implementation Process

Explain the development/implementation process of your assignment. How did you use the machine/tool to manufacture or implement the design of your assignment?

I started searching for codes, and I used these codes in the basic Serial Code from the EOWeek self-practice videos.

RGB LED Code

Buzzer Code .ino

In this video, I saw a code where the buzzer can make a music-like sound using the buzzer's frequency and delays.

How to Use Buzzers (Active and Passive) with an Arduino YouTube Video

I found the frequency of each tone so I could use the same code from the video to make the song "Do-Re-Mi" from the movie "The Sound of Music".

I used a piano app on my phone to test the tones I had to write in the code.

I had to upload the code and listen, then go back to change the delay time to make it sound right. This step took a while and a lot of testing and trials.

Tone --> Frequency in hertz

With this code

When we push 1 on the GUI, the LED turns Red and the Buzzer plays the 1st part of the song "Do-Re-Mi".
When we push 2 on the GUI, the LED turns Green and the Buzzer plays the 2nd part of the song "Do-Re-Mi".
When we push 3 on the GUI, the LED turns Blue and the Buzzer plays the 3rd part of the song "Do-Re-Mi".
When we push 4 on the GUI, the LED turns White and the Buzzer plays the 4th part of the song "Do-Re-Mi".

Assignment Code .ino

I wired everything with the actual components, uploaded the code, and connected the Mobile to the Bluetooth module, and here is the final result.

Timeline 1.mp4

Overcoming Challenges

What kinds of challenges or problems did you face while doing the assignment, tutorials, or exercises? How did you solve them? Did you ask for help from an instructor or peer? Please provide a link to the tutorial or article that you used to solve your problem (if any)

I could not do the wiring on TinkerCAD due to the absence of the HC-05 Bluetooth module.

I saw one of my colleagues asking in Slack's community troubleshooting channel about the same problem.

The instructor replied with a Link to download Fritzing for free.

I tried it, and it was straightforward. I used it to do the wiring diagram.

Final Project

How can you use the skills and knowledge that you've acquired this week in your final project?

Controlling the RGB LED with a GUI will help me control the RGB NeoPixel LED rings I am intending to use in my final project.

WOW!

What is the coolest thing that you've learned this week? What is something that you will never forget from this week?

In the EOWeek Session, we had our second and last Makeathon.

It was a great way to end the studying part and get ready for the Final Project.

We solved all the problems we faced during the self-practice videos and we felt accomplished in a fun and playful way.

EOWEEK Session.mp4

Makeathon #2

Weekly Digest [OPTIONAL]

Tell us about any other cool things that you've made this week: in the Hands-on activity, tutorial examples, exercises, or any other cool mini-project that you tried out aside from the assignment.

Title of Media

Assignment Design Files