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Romeo ESP32-C3 Robot Control Board (Supports Wi-Fi & Bluetooth 5)
The Romeo Mini ESP32-C3 Robot Control Board is a compact and integrated development board designed specifically for robotics projects. Featuring an onboard ESP32‑C3 module with dual-mode Wi‑Fi and Bluetooth 5 connectivity, it supports IPS TFT displays and offers two control schemes for servos and motors. It also includes 9 Gravity-compatible I/O interfaces for easy connection to sensor modules—ideal for robotics and automation.
Package Includes
- 1 × Romeo Mini Control Board (ESP32‑C3)
Features
- Integrated Motor Driver Board: Combines main control, Wi‑Fi/Bluetooth 5, and motor driver functionality in one.
- Compact Size: Small form factor for easy integration.
- IPS TFT Display Support: Compatible with IPS TFT screens for visual feedback.
- Versatile Control Schemes: Supports both servo and DC motor control.
- Gravity Standard Compatibility: 9 I/O interfaces compatible with Gravity sensor modules.
- Stable Power Supply: Servo interface provides stable power for servos and high-current modules.
- GDI Interface: Built-in interface for connecting an IPS display screen.
Specifications
- Main Control Chip: ESP32‑C3‑MINI‑1
- Type‑C Input Voltage: 5 V
- VIN Input Voltage: 5–15 V
- Motor Output Current: 1.7 A continuous per channel
- Servo Input Voltage: 5–12 V
- Module Size: 47 × 38.5 mm
- Digital I/O: 4 pins
- Analog I/O: 3 pins
- UART: 1 interface (shares pins with servos)
- I²C: 1 interface
- Motor: 2 ports (M1/M2)
- GDI: 1 pin
- Type‑C: 1 pin
Pinout
| Name | Function Description |
|---|---|
| VIN | Power input for motor driver and controller: 5–15 V. Required for M1/M2 motor ports. |
| Servo | Power input for digital ports: 5–12 V. Use when powering high‑current peripherals via digital VCC to protect Type‑C port. |
| M1 | Motor port M1: GPIO1 (dir), GPIO0 (PWM) |
| M2 | Motor port M2: GPIO10 (dir), GPIO2 (PWM) |
| I²C | Standard I²C: SDA, SCL, VCC (3.3 V), GND |
| A‑3.3 V‑GND | Analog ports A3, A4, A5; 3.3 V power and GND |
| D‑VCC‑GND | Digital ports D6, D7, D20, D21; VCC (5 V if servo port unpowered, else servo input voltage); GND |
| UART | RX (20), TX (21), VCC, GND — shares pins with servos; unavailable when servos are used. |
| RST | Controller reset button |
| BOOT | Controller download (bootloader) button |
Applications
- Robot Motor Controller: Ideal for controlling DC motors in robotics.
- Servo Controller: Supports servo control in various robotics and automation applications.
- IoT Devices: Enables wireless motor control via ESP32‑C3 Wi‑Fi/Bluetooth.
- Automation Projects: Suitable for precision motor and servo control in automation tasks.
- Educational Kits: Great for learning and teaching robotics, motor control, and IoT.
Features
- Integrated Motor Driver Board: Combines main control, Wi‑Fi/Bluetooth 5, and motor driver functionality in one.
- Compact Size: Small form factor for easy integration.
- IPS TFT Display Support: Compatible with IPS TFT screens for visual feedback.
- Versatile Control Schemes: Supports both servo and DC motor control.
- Gravity Standard Compatibility: 9 I/O interfaces compatible with Gravity sensor modules.
- Stable Power Supply: Servo interface provides stable power for servos and high-current modules.
- GDI Interface: Built-in interface for connecting an IPS display screen.
Specifications
- Main Control Chip: ESP32‑C3‑MINI‑1
- Type‑C Input Voltage: 5 V
- VIN Input Voltage: 5–15 V
- Motor Output Current: 1.7 A continuous per channel
- Servo Input Voltage: 5–12 V
- Module Size: 47 × 38.5 mm
- Digital I/O: 4 pins
- Analog I/O: 3 pins
- UART: 1 interface (shares pins with servos)
- I²C: 1 interface
- Motor: 2 ports (M1/M2)
- GDI: 1 pin
- Type‑C: 1 pin
Pinout
| Name | Function Description |
|---|---|
| VIN | Power input for motor driver and controller: 5–15 V. Required for M1/M2 motor ports. |
| Servo | Power input for digital ports: 5–12 V. Use when powering high‑current peripherals via digital VCC to protect Type‑C port. |
| M1 | Motor port M1: GPIO1 (dir), GPIO0 (PWM) |
| M2 | Motor port M2: GPIO10 (dir), GPIO2 (PWM) |
| I²C | Standard I²C: SDA, SCL, VCC (3.3 V), GND |
| A‑3.3 V‑GND | Analog ports A3, A4, A5; 3.3 V power and GND |
| D‑VCC‑GND | Digital ports D6, D7, D20, D21; VCC (5 V if servo port unpowered, else servo input voltage); GND |
| UART | RX (20), TX (21), VCC, GND — shares pins with servos; unavailable when servos are used. |
| RST | Controller reset button |
| BOOT | Controller download (bootloader) button |
Applications
- Robot Motor Controller: Ideal for controlling DC motors in robotics.
- Servo Controller: Supports servo control in various robotics and automation applications.
- IoT Devices: Enables wireless motor control via ESP32‑C3 Wi‑Fi/Bluetooth.
- Automation Projects: Suitable for precision motor and servo control in automation tasks.
- Educational Kits: Great for learning and teaching robotics, motor control, and IoT.