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IO Hub 1 to 6 Expansion Unit (STM32F0).md

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

https://shop.m5stack.com/products/i-o-hub-1-to-6-expansion-unit-stm32f0

NOTE: At present only seems to work on the Atom Lite, not the PoESP32 for reasons unknown that we haven't had time to troubleshoot

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. image

Under your "esphome" section of your yaml, you'll need to add some additional includes / libraries:

esphome:
  name: pbhub-test
  libraries:
    - Wire

Then you can add the main configuration for the unit:

external_components:
  - source:
      type: git
      url: https://github.com/chill-Division/M5Stack-ESPHome/
      ref: main
    components: m5stack_pbhub

#Pin numberring in the PbHUB (The first digit is the channel number and the second digit is the pin number)
# CHANNEL 0 : 00 and 01
# CHANNEL 1 : 10 and 11
# CHANNEL 2 : 20 and 21
# CHANNEL 3 : 30 and 31
# CHANNEL 4 : 40 and 41
# CHANNEL 5 : 50 and 51
m5stack_pbhub:
  - id: 'M5Stack_HUB'
    address: 0x61 # Base I2C Address
    sda: 16 # I2C SDA Pin (Yellow grove cable)
    scl: 17 # I2C SCL Pin (White grove cable)

# Link the m5stack_pbhub to a switch 
switch:
  - platform: gpio
    name: "Res1 Core"
    pin:
      m5stack_pbhub: M5Stack_HUB
      # Use channel 0, pin number 0
      number: 00
      mode:
        output: true
      inverted: false
  - platform: gpio
    name: "Res1 Grow"
    pin:
      m5stack_pbhub: M5Stack_HUB
      # Use channel 1, pin number 0
      number: 10
      mode:
        output: true
      inverted: false

# Link the m5stack_pbhub to a  binary sensor
binary_sensor:
  - platform: gpio
    name: "Dual Button on PBHUB Channel #2 Pin #0"
    pin:
      m5stack_pbhub: M5Stack_HUB
      # Use channel 2, pin number 0
      number: 20
      mode:
        output: true
      inverted: false
  - platform: gpio
    name: "Dual Button on PBHUB Channel #2 Pin #1"
    pin:
      m5stack_pbhub: M5Stack_HUB
      #Use channel 2, pin number 1
      number: 21
      mode:
        output: true
      inverted: false