Week 6

“The World Of Arduino”

Ideation

At this phase of diploma, we were required to dealing with Arduino and in this week we begin programming using code blocks in Tinkercad. Which was very interesting to me, so the assignment was simply about making an output programmed in Arduino from an input.

Inspired by Alfred, the English butler and Palace manager for Bruce Wayne (Batman).

For me, I choose to make a Smart Home Assistance that can control the lights, air conduction, protect important things and even can prepare the car for me before going out*. :D

And all of this can be done wirelessly by an app in mobile*, you can say I want to make the robotic version of Alfred. XD

*Part of this Project will be made Later Weeks

Alfred J. Pennyworth (Batman: The Animated Series)

Tool Chain

Software:

Electronics:

1x (330 Ohm) Resistor.
1x LED.
1x Slider Switch.
1x Arduino UNO R3.
1x IR Sensor. (HW-201)
1x LDR Sensor.
1x Temperature Sensor. (LM35).
1x 5v DC Fan.

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?

Phases of making Alfred v1:

Design:

In this Part, I Used Tinkercad to simulating the circuit wiring and design like circuit below:

Note that the red LED reference to the fan because Tinkercad doesn't have a fan module on it.

Then I implement the real circuit:

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?

Coding:

The code was Really Simple, and it's running as follows:

Define Two Variables for TMP-36, LDR Sensor in Analog pin A2 and A1 Named Temp_Value and Light_Value respectively and read the input from them.
Make If else statement, where the condition is if digital pin 5 is High or Low.
If Pin 5 is High, then Set Pin 11 to map (merge) Values of Variable Light_Value from 0 to 255 then print it in the serial monitor of the program in newline.
And inside it there's another if condition that if the temperature is above 70 c Set Pin 10 to HIGH else Set Pin 10 to LOW.
If Pin 5 is Low, then switch to else condition and set Pin 10 & 11 to LOW.

The code :

Testing:

Click on Start Simulation and change the IR sensor Parameters to see the output :-)

Testing in Tinkercad

Testing the Real Circuit

VID-20211001-WA0016.mp4

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?

This Video from was recommended during the lecture, and it was very useful for an overview about Arduino World.

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?

If you implement the two terminal sensor form Tinkercad in real circuit, you will face A problem with the LDR sensor in inputs readings unlike Tinkercad simulation.

And after searching a little, I Found that the problem because of PULL Up and PULL DOWN Resistor.

This problem is a common when we deal with switches, push buttons and any input has two terminals only.

Solution: just connect a large resistance between the GND and the terminal over your connection.

(like the Photo)

My Light sensor Module has three terminals, so I wasn't facing this problem, but if you face it here is the solution :-)

Pull Down connection

Final Project

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

Bunch of RC Cars with an Arduino UNO Board

Of course Arduino is the heart of my final Project, so yea it will definitely help me on it :-D

WOW!

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

I Made the Identical Real Circuit in Program Named Fritzing :-)

Note that the fan in this circuit will not run because of low voltage from Arduino, it's just for illustrate.

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.

7 Segments LED Count Circuit

video_2021-09-15_16-48-21.mp4

Assignment Design Files

Alfred V1 Code .ino

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