Arduino Nano - 168P (#9267)
Price: $7.99
Arduino Nano
Atmel Atmega168P-AU MCU
14 Digital input / output ports D0 ~ D13,
8 analog input ports A0 ~ A7
1 pairs of ports TTL level serial transceiver RX / TX
6 PWM ports, D3, D5, D6, D9, D10, D11