Shenzhen EF ELECFREAKS Nezha Breakout Board for BBC micro:bit

The Shenzhen EF ELECFREAKS Nezha Breakout Board is a versatile expansion board designed for the BBC micro:bit V1 and V2. It provides a wide range of interfaces including Grove ports, servo ports, and an integrated motor driver, making it ideal for robotics and IoT projects.

Advantages

This breakout board simplifies connections with its Grove interface and includes a built-in 2-channel DC motor driver, buzzer, and programmable RGB LED. It allows easy expansion of the micro:bit's capabilities without soldering.

Suitable for

• Educational robotics projects
• Prototyping with micro:bit
• IoT and automation experiments
• STEM learning environments

Key specifications

• Compatibility: BBC micro:bit V1, V2
• Input Voltage: 3.5V ~ 5V DC
• Output Voltage: 3.3V (micro:bit), 5V (modules)
• Interface Type: Grove (RJ11-like)
• Digital I/O Ports: 9 (P0, P1, P2, P8, P12, P13, P14, P15, P16)
• Analog Input Ports: 3 (P0, P1, P2)
• I2C Ports: 2 (P19, P20)
• Servo Ports: 9 (P0, P1, P2, P8, P12, P13, P14, P15, P16)
• Motor Driver: Integrated 2-channel DC motor driver (DRV8833)
• Motor Driver Output Current: 1.5A per channel (2A peak)
• On-board Buzzer: Yes (Passive)
• On-board LED: Yes (Programmable RGB LED / NeoPixel)
• Power Indicator LED: Yes
• Reset Button: Yes
• Mounting Holes: Yes
• Connectivity: Edge Connector for micro:bit

Recommendations

This breakout board is perfect for expanding your micro:bit projects. Ensure you have a compatible micro:bit and power supply. For motor applications, use batteries or a suitable power source.