Product description
Operating Voltage(logic level):5V
8 analog inputs ports: A0 ~ A7
14 Digital input / output ports:TX,RX,D2 ~ D13
6 PWM ports:D3, D5, D6, D9, D10, D11
1 pairs of TTL level serial transceiver ports RX / TX
Using Atmel Atmega328P-AU MCU
Support USB download and Power
Support for external 5V ~ 12V DC power supply
Support power supply by 9V battery
Product Dimensions:4.2x1.7x0.5cm