Week 8 - Journal

Ideation

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)

This week's assignment is to communicate wirelessly with a smart circuit via a Graphical User Interface (GUI) on a phone or PC.

I got my inspiration from a YouTube video. The idea is to activate the servo motor when entering a specific number in the GUI, causing the door to open. Another number will close the door and trigger a sound, simulating a doorbell.

Tool Chain

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

Card Board

Arduino

Servo Motor

Buzzer

Arduino Bluetooth Control

Arduino Cable

IDE App.

Jumper wires

BreadBoard

AutoDesk TinkerCad

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?

Input: Arduino Bluetooth Control Variables

Output: ServoMotor - Buzzer

Circuit Link on Tinker CAD: https://www.tinkercad.com/things/7mhx6qrHhI1-door-bell

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?

1. I made the wiring on Tinker CAD.

2. I build the code on IDE.

3. Burn the code on Arduino and test it by Serial Monitor.

How the Code is Working?

1- Initialize components → (Serial.begin(9600); pinMode(buzzer, OUTPUT); myServo.attach(servo); myServo.write(0);)

2- Read incoming data → (if (Serial.available() > 0) { incomingData = Serial.read(); })

3- Close door if '3' is received → (myServo.write(0); buzzerBeep(2);)

4- Open door if '1' is received → (myServo.write(90); buzzerBeep(1);)

5- Buzzer function for beeps → digitalWrite(buzzer, HIGH); delay(500); digitalWrite(buzzer, LOW); delay(500);

Community of Learning

Did you ask for feedback? What are the ideas that others have contributed or suggested? What was someone else’s idea that you built upon? How did you help your peers? How did your peers help you?

Mp3 Moudule

I couldn't upload the code to the Arduino. Huda, my colleague in the Diploma, told me I had to disconnect TX and RX. After doing that, the upload worked fine.

Overcoming Challenges

When you got stuck, what/who did you turn to? At what point did you have to pause to research or learn more before moving on? What are some mistakes, pitfalls, or challenges that others can avoid if they were doing this assignment?

When I tested the code on the Serial Monitor, it worked perfectly. However, when I used the Bluetooth module, the sound kept repeating nonstop.

The solution: Move the code of if conditions inside the brackets {} because the incoming data was stuck in a loop, causing it to repeat nonstop.

Credits for this solution go to our genius instructor, Yehia El Erieny.

Final Project

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

<<<The 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?

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

DoorBellV.2 *.ino

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