Adafruit Pro Trinket 5V 16MHz (1 piece)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>ATmega328P onboad chip in QFN package</li><li>16MHz clock rate， 28K FLASH available</li><li>USB bootloader with a nice LED indicator looks just like a USBtinyISP so you can program it with AVRdude and/or the Arduino IDE (with a few simple config modifications).</li><li>Also has headers for an FTDI port for reprogramming</li><li>Micro-USB jack for power and/or USB uploading， you can put it in a box or tape it up and use any USB cable for when you want to reprogram. On-board 5.0V power regulator with 150mA output capability and ultra-low dropout. Up to 16V input， reverse-polarity protection， thermal and current-limit protection.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/61tlJabMLhL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/511wipE0bxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/519vKKa7ERL.jpg" noproxy>