Cytron Sumo Robot Controller R1.1 (URC10)

Basic information

• Type: robot controller + motor driver (all-in-one)
• Microcontroller: ATmega328P (Arduino Uno compatible)
• Programming: Arduino IDE (UNO)
• Intended use: sumo robots max ~3 kg

Motor driver

• Channels: 2 x DC motor
• Continuous current: 10 A / channel
• Peak current: 30 A / channel
• Motor voltage: 8–25 V DC
• Control: sign-magnitude PWM / locked-antiphase PWM
• PWM frequency: max ~20 kHz
• Current limiting: ~30 A / channel

Power supply

• Supply voltage: 8–25 V DC
• 5 V regulator: max 1 A
• 3.3 V regulator: max 500 mA
• No reverse polarity protection

I/O and connections

Digital pins

• D4, D5 → Motor 1 (DIR + PWM)
• D6, D7 → Motor 2 (DIR + PWM)
• D2, D3, D12, D13 → general sensors

Ultrasonic connections

• D8, D9 → Ultrasonic 1
• D10, D11 → Ultrasonic 2

Analog pins

• A0–A5 → analog sensors

Other connectors

• 1 × I²C
• USB Micro-B (CH340 for programming)

Other features

• Motor test buttons
• LED indicators for motor outputs
• Bidirectional DC motor control
• Integrated sensor interface (digital + analog + ultrasonic)

Mechanical details

• Size approx: 75 × 100 mm

Notes

• Combines Arduino UNO + motor driver on the same board
• Suitable for 1–3 kg sumo robots
• External protection recommended (no reverse polarity protection)