Week #8 - Journal

Ideation

Tell us about your assignment's idea for this week. Why do you care about this idea? What were you inspired by?

This week was to learn the Arduino and how to think about codes and create them , So for the assignment I thought of trying something related to my final project as a part of the project was to move the shading device (Wooden strips) with a servo motor according to the sun direction . so I chose to make the input with an (LDR ) and the output from the servomotor

Tool Chain

Which software/machines/materials did you use this week? Why?

software used : Tinker cad

To create circuits and simulate it before making it physically

Arduino

Design Process

Explain the design process of your assignment. How did you use the tool/software to design and/or simulate your assignment?

On tinker ad

Servo+ photoresistor

The required is to make the servomotor rotate as the light intensity increases (Moving servo with Photoresistor )

As the steps of week 6 :

Firstly I started to connect the photoresistor to the arduino :

-Terminal 2 to pin A0 to be an input for the servomotor

-And terminal 1 to the 3.3v and Ground with a resistor to prevent it's damage

-Then I connected the servomotor with the 5v, ground and with pin 10 , to be an output

- after this I added a slider button on pin 9 to control the device

Coding

Tinker cad simulation .mp4

To start coding I started to think for the following :

Moving servo with Photoresistor

-Input : Read analog A0 (Photoresistor )

-Output : Pin 10 (Servomotor )

-Coding tools :

.Print serial or the photoresistor (A0) to determine it's range which was from 0 to 500

. Mapping (To make the servo rotate according to the values from A0 ) , and the scale of mapping to be from 0-->180

-First block was reading A0 to read the photoresistor , then mapping it to scale it's range to be within the angles of the servo motor

-Then those two blocks are inserted in (Rotate servo motor on ) to make it rotate with these values .

, After this I added an IF condition ( to make it controlled by the slider button ) , when the slider is HIGH then the previous code starts , else servo is set to zero .

-Then to make it be controlled not only by the arduino , when pressing 'a' on the keyboard it starts , and the serial monitor starts to print the servo motor values ,

but at this point I had an ERROR , and I couldn't find it .

After this I started processing ,

firstly to understand it , I searched for the label and button library , to know how to wite it's code

-Then I wrote the code from these two libraries , and changed the text in the label to be servo angles , and when I press on the toggle it writes (Press)

Processing code after linking with the Arduino

Fabrication/Implementation Process

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

Servo +Photoresistor physically

After finishing the simulation on tinker ad ,

-I started to make the same connections physical using a breadboard

-Then I opened Arduino program , and copied the text code to it then uploaded it on the Arduino which is already connected to the servomotor and photoresistor .

20210228_104539_1.mp4

Coding

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?

-Yes I had a feedback in the midweek session ,

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 project?

I had problems in the arduino code specifically in the serial monitor part , due to this problem the whole exercise was not good , and each part the arduino and proessing are not connected to each other , because the GUI cannot find the arduino port (because of it's error )

Files

week8 .ino

week8.pde

Final Project

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

At this week , I learned More about Arduino , and in the exercise I tried to make one of the functions that I want to make in the final project , so this helped me to think of it will work

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