Review Details

ATMEGA328P-PU ATMEGA328 MICROCONTROLLER IC

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Product Review (submitted on February 10, 2014):

Add a 16 MHz crystal and two capacitors to the ATMEGA328P-PU and you have the heart of an Arduino Uno that's perfect for breadboarding. All that's required is to upload the Ardiono bootloader, and you're done. There are good tutorials on the web.

Suggestions: buy a good USB to TTL converter, either a cable or a small add-on board. Be sure the converter outputs the RTS (Request to Send) signal for easy uploading. Avoid the $7, 4 terminal cheapies. They are more trouble than they are worth.

Buy a bunch of 1K and 10K resistors and .1 microfarad ceramic disk decoupling capacitors, and if you want to interface the Ardiono to the Real World or a Raspberry Pi, buy lots of optoisolators, too. While you are at it, pick up some of the great breadboards from this site. The price and value simply cannot be beat.

Once you have your USB breakout cable, any USB charger can power the chip.

EnjoyQ