EnviroDIY Mayfly Data Logger Board， Arduino Compatible<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Fully programmable microprocessor board， compatible with the Arduino IDE software</li><li>Atmega 1284p processor， 128K flash memory and 16K RAM</li><li>24 digital I/O pins， and 8 analog pins， plus a 4-channel 16-bit analog-to-digital converter</li><li>Realtime Clock chip， microSD card slot， Bee RF module socket， and solar battery charging capability</li></ul></div><img src="http://ecx.images-amazon.com/images/I/5170MaXPEJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51XVtJhVMhL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51HYWDvLAiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51GNdcZfpPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ZqhzVLqRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51%2Bleg%2BXzIL.jpg" noproxy>