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IO Expansion Board

SKU: MBT0014

The IO Expansion Board is a versatile tool for enhancing microcontroller projects, offering multiple IO ports, I2C interfaces, and motor connectors, along with LEGO compatibility for creative applications.

Downloadable Resources

  • Docs
  • Tech Specs
    • 1. Example Code for micro:bit-Motor Control Loop

    This article provides detailed instructions on using micro:bit for motor control loops, including software setup, wiring diagrams, and sample code for continuous motor rotation.
    Reference

    Learn about different power supply methods for electronic boards and how to effectively use the Zhangkong board, including motor drive and touch pad functions.

    Specification

    Parameter Details
    Supply Voltage 3.5V～5V DC (Three AAA batteries or 3.6V～3.7V lithium battery)
    IO Ports P0, P1, P2, P8, P9, P12, P13, P14, P15, P16
    I2C Interfaces ×3
    Pin Edge Connector 0, 1, 2, 3V, GND
    Touch Edge Connector ×5 P, Y, T, H, O, N (Exclusive to the zhangkong)
    micro:bit Buzzer ×1 on P0 port (When using micro:bit, it's useful; in zhangkong mode, please turn off the buzzer switch to avoid occupying the P0 port)
    Buzzer Switch x1
    Motor Interface x2
    Edge Connector Hole Diameter 4.8mm, compatible with LEGO
    Edge Connector Hole Spacing 8mm, compatible with LEGO
    Dimensions 80mm x 47mm

    Pinout

    Parameter Details
    IO Ports P0, P1, P2, P8, P9, P12, P13, P14, P15, P16
    Pin Edge Connector 0, 1, 2, 3V, GND
    Touch Edge Connector ×5 P, Y, T, H, O, N (Exclusive to the zhangkong)

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