Arduino Due/Mega by Arduino

Synthiam ARC enables Arduino Mega 2560 control with 8 ADC, 13 PWM, 21 digital ports and 24 servos; includes firmware, shield and tutorials

Connection Type

USB

Number of Servos

Audio Support

Camera Support

UARTs

I2C Support

Yes

ADC Ports

Digital Ports

Manufacturer's Page Getting Started Guide

Firmware

Download and view firmware details for this hardware platform.

1 firmware

EZB-Arduino-Mega

Version 1 • Updated 2026-01-25

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The Arduino Mega 2560 is an excellent high-I/O microcontroller for robotics and automation projects. With this firmware, the Mega becomes an ARC-compatible capability controller, allowing ARC to command servos, read sensors, control motors, and interface with serial devices — all through a single USB connection and without writing Arduino sketches for every project.

The Mega stands out for its large number of pins, multiple hardware UARTs, and 5V sensor compatibility. When paired with ARC, you can simultaneously operate:

8 ADC (Analog) inputs
13 PWM outputs
21 Digital I/O ports
24 Servo outputs

This makes the Mega suitable for complex robots with many sensors, actuators, indicators, and serial communication modules — all coordinated through ARC's UI, control blocks, and AI behaviors.

ADC Inputs (Analog)

ARC can read up to 8 analog inputs on the Mega, mapped as ADC0–ADC7. Common uses include potentiometers, distance sensors, light sensors, force sensors, and more.

(ARC → Arduino)
  ADC0 = A0
  ADC1 = A1
  ADC2 = A2
  ADC3 = A3
  ADC4 = A4
  ADC5 = A5
  ADC6 = A6
  ADC7 = A7

PWM Outputs

The Mega provides 13 hardware PWM channels for speed control, dimming LEDs, fan control, ESCs, and other applications. ARC maps these as D0–D12:

(ARC → Arduino)
  D0  = 2
  D1  = 3
  D2  = 4
  D3  = 5
  D4  = 6
  D5  = 7
  D6  = 8
  D7  = 9
  D8  = 10
  D9  = 13
  D10 = 44
  D11 = 45
  D12 = 46

Digital I/O Ports

ARC supports up to 24 digital I/O ports. The Mega exposes 21 ports mapped as D0–D20. These can drive relays, switches, LEDs, logic signals, and also support software serial transmit for simple UART modules.

(ARC → Arduino)
  D0  = 2
  D1  = 3
  D2  = 4
  D3  = 5
  D4  = 6
  D5  = 7
  D6  = 8
  D7  = 9
  D8  = 10
  D9  = 11
  D10 = 12
  D11 = 13
  D12 = 44
  D13 = 45
  D14 = 46
  D15 = 62
  D16 = 63
  D17 = 64
  D18 = 65
  D19 = 66
  D20 = 67

Servo Outputs

Up to 24 servo outputs are exposed to ARC using the Mega’s Servo library. Perfect for animatronics, robot arms, pan/tilt systems, and legged robots.

(ARC → Arduino)
  D0  = 22
  D1  = 23
  D2  = 24
  D3  = 25
  D4  = 26
  D5  = 27
  D6  = 28
  D7  = 29
  D8  = 30
  D9  = 31
  D10 = 32
  D11 = 33
  D12 = 34
  D13 = 35
  D14 = 36
  D15 = 37
  D16 = 38
  D17 = 39
  D18 = 40
  D19 = 41
  D20 = 42
  D21 = 43
  D22 = 68
  D23 = 69

I/O Expansion (Recommended)

Since the Mega exposes raw pin headers, using a sensor or servo shield makes wiring dramatically easier and reduces cable strain. A commonly used option is the:

KEYESTUDIO Mega Sensor Shield V1 for Arduino Mega 2560