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Here I am using 5V mobile charger instead of LM7805 (This version uses a 5V regulated power supply). It's simple and save some space on board. You can you LM7805 but after that you have to use a higher voltage supply that's why I'm using 5V constant charger.

Step 1: How to Make Your Own Homemade Arduino Uno

Before moving on, check out this image. It's a great resource for learning what each of the pins on your Atmega chip do in relation to the Arduino's functions. This will clarify a lot of confusion behind why you hook up certain pins the way you do. For even more detailed information, take a peek at the datasheet for the Atmega168 (short version) (long version). Here's the sheet for the Atmega328 (short version) (long version)

<p>is it like the real one and if so can I program it. and I think its a great idea</p>
<p>It's work like the original one.. but to program it you have to connect it with the original arduino or ftdi FT232 RL</p>
ok do you have some diys for the arduino
<p>I have and I will upload in some days</p>

About This Instructable

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Bio: I have some interest in electronic. you can find me at https://www.facebook.com/theTechWorks
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