14 Digital input/output ports RX and TX D13, ~ ~ of D2, The or 8 analog input port A0 to A7 Supports auto-reset The TTL level serial transceiver port RX/TX 6 PWM ports, D3, and D5, D6, D9, D10, D11. Using Atmel Atmega328P – AU microcontroller Supports serial download Over current protected Reverse polarity protected Support for external 3.3 V ~ 12 V DC power supply Power support 9 v the 8 MHZ clock frequency Dimensions: 33.3 * 18.0 (mm)
