Motor Driver - Expansion Board for micro:bit Driver/ UNIHIKER
The Micro:bit Driver Expansion Board expands the capabilities of the micro:bit, popular for its simple programming and versatile applications. It offers 9 GPIO interfaces, 4 motor drives (convertible to 2 stepper motor drives), and 8 servo interfaces. Using an I2C external drive chip, it efficiently controls motors and servos, utilizing only two I2C pins. It features indicators for motor direction, making it user-friendly for small projects. The board supports a wide voltage range (3.5V to 5.5V) and includes power options like a DC plug, wiring terminal, and USB adapter cable for flexibility and convenience.
Package Includes:
- Micro:bit Driver Expansion Board x1
- USB to DC2.1 converter cable x1
Features:
- Micro:bit Compatibility: Integrates seamlessly with the micro:bit platform.
- GPIO and Servo Interfaces: Offers 9 GPIO and 8 servo interfaces using the DFRobot-Gravity standard, enabling easy integration with modules and sensors.
- Motor Drives: Provides 4 DC motor drives (convertible to 2 stepper motor drives) using the HR8833 motor driver, with a maximum continuous operating current of 1.5A.
- I2C Control: Utilizes an I2C external drive chip for efficient motor and servo control, requiring only two I2C pins.
- Motor Direction Indicators: Includes indicators for motor direction, aiding users in project setup and operation.
- Power Supply Options: Supports power input from 3.5V to 5.5V, with options including a DC plug, wiring terminal, and USB adapter cable for versatile power sources.
Specifications:
- Digital Output Voltage: 0V / 3.3V
- Analog Output Voltage: 0~3.3V DC
- Standard Gravity Interface
- Micro:bit Interface: 9 (P0 P1 P2 P8 P12 P13 P14 P15 P16)
- Servo Interfaces: 8
- Motor Interface: DC Motor x 4 / Step Motor x 2
- Dimension: 63x58mm / 2.48x2.28in
Pinout:
Reference:
Features:
- Micro:bit Compatibility: Integrates seamlessly with the micro:bit platform.
- GPIO and Servo Interfaces: Offers 9 GPIO and 8 servo interfaces using the DFRobot-Gravity standard, enabling easy integration with modules and sensors.
- Motor Drives: Provides 4 DC motor drives (convertible to 2 stepper motor drives) using the HR8833 motor driver, with a maximum continuous operating current of 1.5A.
- I2C Control: Utilizes an I2C external drive chip for efficient motor and servo control, requiring only two I2C pins.
- Motor Direction Indicators: Includes indicators for motor direction, aiding users in project setup and operation.
- Power Supply Options: Supports power input from 3.5V to 5.5V, with options including a DC plug, wiring terminal, and USB adapter cable for versatile power sources.
Specifications:
- Digital Output Voltage: 0V / 3.3V
- Analog Output Voltage: 0~3.3V DC
- Standard Gravity Interface
- Micro:bit Interface: 9 (P0 P1 P2 P8 P12 P13 P14 P15 P16)
- Servo Interfaces: 8
- Motor Interface: DC Motor x 4 / Step Motor x 2
- Dimension: 63x58mm / 2.48x2.28in
Pinout:
Reference: