100% brand new and high quality14 Digital input/output ports RX, TX D13, D2 ~~ of,or 8 analog input port A0 to A7The TTL level serial transceiver port RX/TX6 PWM ports, D3, D5 , D6, D9, D10, D11Using Atmel Atmega168P microcontrollersupports serial downloadSupport for external 5v~ 12V DC power supplySupport 9V battery-poweredclock frequency 16MHz
Dimensions:33.3 x 18.0 (mm)
Package Included:
1PCS