14 Digital input/output ports RX, TX D13, D2 ~~ of
or 8 analog input port A0 to A7
The TTL level serial transceiver port RX/TX
6 PWM ports, D3, D5, D6, D9, D10, D11
Using Atmel Atmega168P microcontroller
supports serial download
Support for external 5V~12V DC power supply
Support 9V battery-powered
Clock frequency: 16MHz
Dimensions: 33.3 * 18.0 (mm)
