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Arduino on a Breadboard

Arduino on a Breadboard
In the words of Make Magazine, the Arduino is an "immensely powerful microcontroller board that has taken the world by storm."
It offers the power of a traditional microcontroller while tremendously simplifying the programming process, making complex electronics projects easier than ever to design. Click here and here to learn more.

Several months ago, I built my own version of the legendary Arduino.

Here's what I used:

-ATMega328 microcontroller (with Arduino bootloader pre-installed)
-Silicon Labs USB-to-TTL converter
-16 Mhz crystal
-Green LED
-Jumper wires
-Solderless breadboard

To build your own Arduino, you'll need to install the Arduino software (found here) on your computer, as well as the drivers for the USB-TTL converter (found here). For more detailed instructions, please see Dale Wheat's article in Make Magazine, issue 25.

Enjoy!
4 comments
Jan 4, 2012. 8:58 AMLyron says:
Crystal without capacitors? THIS IS MADNESS! No serious, how would it work?
Jan 4, 2012. 3:44 PMsoshimo says:
It will work but most likely be very unstable. There is some trace capacitance between the wires and the breadboard strips but probably nowhere near the 20-30pF range normally used with crystals. It works, barely, but I would not recommend this design. The ATMega does support an external crystal without capacitance but it's optimized for 32.768Khz for the internal oscillator.
Jan 4, 2012. 3:54 PMastroboy907 says:
I've done this for 4 or 5 projects (without caps) and they seem to work fine so far...

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Author:ThatCaliforniaGuy
Hi! I'm Dave, and I've lived in China for about three years now. As my username suggests, I'm from California, so naturally, I miss the sunshine, the beaches, and the crisp evening air. In my spare ...
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