DFRobot M-DUINO 21 I/Os PLUS (Opto Isolated Output)

DFRobot M-DUINO 21 I/Os PLUS (Opto Isolated Output) is based on the Arduino Technology designed for professional use. The device has an Arduino Mega2560 as its core control chip, the M-Duino PLC has 21 I/Os including 6 analog and digital inputs, 5 digital isolated inputs, 2 interrupt isolated inputs, 3 analog outputs, 5 digital isolated outputs, and 3 PWM isolated outputs. Meanwhile, it contains several communication ports like UART, I²C, SPI, RS232, RS485, Ethernet, which provide more flexibility to control your device. Besides, the controller offers the possibility to expand up to 127 modules via I²C.