Hiwonder 4-Channel Encoder Motor Driver
The Hiwonder 4-Channel Encoder Motor Driver is a compact motor driver board designed to drive multiple DC motors with encoder feedback for robotics and intelligent vehicle applications. It features onboard voltage regulation and supports a range of controllers such as Arduino, STM32, Raspberry Pi, and Jetson Nano, making it suitable for DIY robot cars, robotic platforms, and automation projects.
Key Features:
- Drives up to 4 DC motors with Hall encoder feedback.
- Compatible with popular microcontrollers and SBCs including Arduino, STM32, Raspberry Pi (5/4B), and Jetson Nano.
- Uses a high-performance motor driver chip (SA8870C).
- Onboard voltage regulation circuit simplifies power supply needs.
- Supports logic signal outputs at 3.3V and 5V for encoder interfaces.
- Input reverse-connection protection for added safety.
Technical Specifications:
- Motor Driver Chip: SA8870C (high-performance motor driver)
- Power Supply Range (VM): 5–15 V
- 5 V Output Current: 1 A
- Encoder Signal Logic Levels: 3.3 V / 5 V
- Rated Drive Current (per channel): 2 A
- Peak Drive Current (per channel): 2.5 A
Pin Function Overview:
- Encoder GND: Hall power supply negative
- Encoder A / B: Hall encoder pulse outputs
- Encoder VCC: Hall power supply positive
- Motor M+ / M-: Motor power terminals
- I2C Port: SCL (clock) and SDA (data) for control
- 5 V Output: Logic power output
- 3-PIN Power Port: Main motor power supply (+ and -)
- GND: Board ground
Typical Applications:
- 4-wheel drive robots with encoder feedback
- Line-following and intelligent robotic cars
- Multi-motor control platforms
- Robotics competitions and educational projects
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