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 project is to make an electronic circuit controlling 2 outputs Via Bluetooth Module

Mine will be circuit controlling a DC Motor and Buzzer

DC Motor Control

Tool Chain

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

Software

open source online platform we can use it to make the circuits and simulate them before building them which will be time saving ,easier to troubleshoot and saving the parts from burning in case of false connection

Arduino IDE

an open-source software, which is used to program the Arduino boards, it is an integrated development environment, developed by

Arduino. cc.

Allow to write and upload code to Arduino boards.

It consists of many libraries and a set of examples of mini-projects.

Materials

For the Electronic Circuit

Small breadboard For wiring

usb Cable to connect Arduino to the PC

Arduino

Male Wires

Resistance

Buzzer

Bluetooth Module

DC Motor

Motor Driver (H Bridge)

To control the Speed and the direction of the motor and supply the desired voltage for the motor

Arduino Bluetooth Control Application For Android

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?

This Week's circuit will be controlling the Motor and the Buzzer using Bluetooth

circuit consists of

Power Source
Bluetooth module (Input)
Buzzer (Output)
Motor Driver
DC Motor (Output)

we are going to use Fritzing instead of Tinker Cad Because it has more components like the Bluetooth module for example

The circuit starts with

connect the +ve and -ve of the Arduino to one of the +ve and -ve rails of the Board

-- The +ve connection is to supply 5 volts for the following:

Bluetooth Module
5v of the motor driver --

-- The - ve connection is to supply Ground for the following:

Bluetooth Module
the -ve of the buzzer --

2. connect the +ve and -ve of the power source to the other rail of the board

-- this connection is to

supply 9 volts to the +ve motor PIN of the motor driver
supply Ground to the Ground PIN of the motor driver

The motor driver has to have a unified Ground with the Arduino so we connect its ground to the ground of the power source and make a another connection with the Arduino Ground

3. connect the +ve and -ve of the Motor to IC Out 3 IC & Out 4

4. connect In3 & In 4 to PIN 7 & PIN 8 of the Arduino Board (to control the start and stop of DC Motor)

5. connect the +ve of the Buzzer to PIN 3 of The Arduino

6. connect the Tx of the Bluetooth to the Rx of the Arduino

7. connect the Rx of the Bluetooth to the Tx of the Arduino

we have to unplug the Tx & Rx terminals from the Arduino while uploading the code

the circuit is ready to be coded

Coding

The code Starts with defining the variables

we made a variable for :

Incoming Data (to stare the data coming from the bluetooth module)
In1 and assign PIN 8 of the Arduino to it
In2 and assign PIN 7 of the Arduino to it
Buzzer and assign PIN 3 to it

start the Void setup of the code with :

starting the serial monitor
state the case of the Variables that appear to be OUTPUT in our Project

Here, we have the Void loop which starts with

while condition to check if the serial monitor is receiving any data (if it doesn't receive any data, the while loop will be working and no data will be printed)

in case the monitor receives any data, the while condition will be invalid and it will read the data and store it to the variable we earlier identified

after storing the data in the variable called Incoming_Value, it will start checking the if condition

if the value is 1, it will put the motor in the ON State, giving the terminals of the motor HIGH and LOW State

if if the value is 2, it will put the motor in the OFF State, giving the terminals of the motor LOW State For Both

this checks for the incoming value too

if the value is 3, it will put the Buzzer in the ON State, assigning HIGH to the Buzzer Terminal

if the value is 4, it will put the Buzzer in the OFF-State, assigning HIGH to the Buzzer Terminal

The last part of the Line of Code is Printing The incoming value on the serial monitor

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?

This is the Physical Circuit After connecting it as described in the simulation and the code part

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)

After doing all the work, i uploded the code using this cable and it gave the message that the code is uploaded successfully but when i tried to run it , the circuit didn't work

I tried to troubleshoot the circuit physically and then the code and there was nothing worng with it

so I tried to change the cable i used to upload the code and yes i t was the reason

the code worked successfully

this is the cable i used in the second time to upload the code

Final Project

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

i learned on how can I utilize the software Like TinkerCAD and make a simulation before wiring so we save the components from burning

Assignment Design Files

Fritzing circuit link

Arduino Code

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