M5Stack I/O Hub 1 to 6 Expansion Unit (STM32F0)

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Product Link

M5Stack I/O Hub 1 to 6 Expansion UnitOpenELAB

Introduction

PbHUB Unit is a 6-channel expansion Unit with I2C control. Each Port B interface is capable of GPIO, PWM, Servo control, ADC sampling, RGB light control and other functions. Adopts STM32F030 for internal control.

Features

• 6 x GPIO Ports Expansion

• 1 x I2C Input

• Internal STM32F030 control

• 2 x Brick holes

Specifications

Spec	Parameter
Communication protocol	I2C:0x61(Modified by register)
Net weight	6.7g
Gross weight	11.8g

Pinout

Dimensions

Product Size	48*24*12mm
Package Size	13.6*9.1*12mm

How to Use

UIFlow

Feature Introduction

• Servo CH IO angle Set rotation angle of the servo

• Servo CH IO pulse Write digital values to IOs

• read status Read firmware version/I2C address

• init I2C address Initialize I2C address

• set I2C address Set I2C address

Example

• Case study: Controlling repeated rotation of the servo

• Communication protocols: I2C

• I2C address: 0x61

Arduino

• analog_read

• digital_write_read

• pwm

• rgb_led

  Here, the RGB driver can only be WS2812, not sk6812.

• servo