1Mattia Francesco Moroattiny852012-02-14ICDIPMicrocontrollerAtmelthrough-holedipAttiny85-20PUMicrocontrollerAtmel AVRdip08 THTAtmel ATtiny85 microcontroller. So small but so powerfull.GND PB0 (MOSI/DI/SDA/AIN0/OC0A/OC1A/AREF/PCINT0) PB1 (MISO/DO/AIN1/OC0B/OC1A/PCINT1) PB2 (SCK/USCK/SCL/ADC1/T0/INT0/PCINT2) VCC PB5 (PCINT5/RESET/ADC0/dW) PB3 (PCINT3/XTAL1/CLKI/OC1B/ADC3) PB4 (PCINT4/XTAL2/CLKO/OC1B/ADC2)