Interface based on the ATmega2560 microcontroller.
It has 54 digital inputs / outputs (14 of which can be used as PWM outputs), 16 analog inputs, 4 UARTS, a 16 MHz crystal oscillator, a USB connection, a power supply, an ICSP connector, and a reset button. USB cable supplied

characteristics

• Microcontroller: ATmega2560
  
• Nominal supply voltage: 5V
  
• Digital inputs / outputs: 54
  
• Analog inputs: 16
  
• UARTS: 4
  
• Flash memory: 256 KB (ATmega2560)
  
• Clock frequency: 16 MHz