Hi! I present to you my sanguino clone made on double sided perfboard. The build is actually pretty simple, nothing fancy, it looks like boarduino but without any programming chip or anything else. I've used:
1 x Atmega644p chip
1 x 16MHz crystal resonator
2 x 22pF ceramic capacitors
2 x 100nF ceramic capacitors
1 x 100uF electrolytic capacitor
1 x 7805 voltage regulator
1 x 1N4004 (I didn't had 1N4001 so I improvised :P )
1 x screw terminal
1 x reset button
2 x 1K resistor
1 x 5mm LED
2 x 40pin header

For programming this clone, I'm using Arduino UNO as ISP. I've used tips from this site. The schematic is from here. Please note that you have to use a 10uF capacitor linked between RESET and GND pins of Arduino UNO while you're trying to upload sketches on Sanguino via Arduino as ISP :) If anyone needs further informations just leave a comment and I'll answer as soon as I can. :)
If you're a romanian user you can follow this link. Cheers! :D

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