Build your own Arduino Uno




I often use Arduino to test out my project prototype before complete it. Sometimes, I wanted to test more than one project at the same time. I would need more Arduino, but the original Arduino is over my budget for prototyping purpose. Therefore, I decided to make my own Arduino. Some of the benefits of making your Arduino (at least for me) are it is cheap, easy, learn to design PCB and electronics at the same time. Although there are a lot of guides on how to make your own Arduino, I decided to make one so as I can share with my readers, and at the same time document it for myself.

Build your own Arduino Uno




First, I am going to list a few basic items and parts required for standalone Arduino.

– Atmega328P microcontroller with  UNO Bootloader ( An empty chip will do if you have an Arduino and burn the bootloader on your own)

– 16MHz Crystal x1

– 22pF ceramic capacitor x2

Optional

– LM7805 voltage regulator x1

– 100uF capacitor x1

– 10uF capacitor x1

– Tact switch x1 (For reset)

– 10k ohm resistor (For reset)

– LED (For pin13 indicator)

– 330 ohm resistor (LED)

– 28 pins IC Socket

Besides, the parts mentioned above, another important part that you need is a USB to UART converter. You would need this to program your Arduino from your computer. There are a few USB to UART converter available to you, most of them uses FT232RL IC, but I will also show you the one that I am using, which uses PL2303 IC.

READ  Using Push Button Switch with Arduino Uno

 

For more detail: Build your own Arduino Uno




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