Features
automatic reset during program download
power ok blue led on the bottom
green (tx), red (rx) and orange (l) led
+5v to aref jumper
auto sensing/switching power input
small mini-b usb for programming and serial monitor (cable not included)
icsp header for direct program download
power ok blue led on the bottom
standard 0.1′′ spacing dip (breadboard friendly)
manual reset switch
specifications
microcontroller: atmel atmega328
operating voltage (logic level): 5 v
input voltage (recommended): 7-12 v
input voltage (limits): 6-20 v
digital i/o pins: 14 (of which 6 provide pwm output)
analog input pins: 8
dc current per i/o pin: 40 ma
flash memory: 32 kb (of which 2kb used by bootloader)
sram: 2 kb
eeprom: 1 kb
clock speed: 16 mhz
dimensions: 0.70′′ x 1.70′′