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Unit Key ESPHome Component
The Unit Key provides button-state input and RGB indicator control through GPIO.
1. Component Overview
| Item | Information |
|---|---|
| Product name | Unit Key |
| SKU | U144 |
| Main functions | Button-state input and RGB indicator control |
| Communication interface | GPIO |
| ESPHome components | gpio, |
| eopixelbus | |
| ESPHome version requirement | / |
2. Component Details
Include Official Components
Adjust the GPIO settings for the actual wiring of your controller. The following examples read the button state and control the indicator LED.
Binary Sensor: Button State
Add a Binary Sensor to read the button state.
binary_sensor:
- platform: gpio
name: "Button"
id: unit_key_button
pin:
number: GPIO8 # CoreS3 PORT.B，请根据实际连接的 GPIO 引脚进行调整
mode:
input: true
pullup: true
inverted: true
filters:
- delayed_on: 10ms
- delayed_off: 10msLight: RGB Indicator
Add a Light to control the backlight RGB LED.
light:
- platform: neopixelbus
name: "LED"
id: unit_key_led
type: GRB
variant: SK6812
pin: GPIO9 # CoreS3 PORT.B，请根据实际连接的 GPIO 引脚进行调整
num_leds: 1
method:
type: esp32_rmt
channel: 0
default_transition_length: 200ms
restore_mode: RESTORE_DEFAULT_OFF3. Reference Example
After the device is connected to Home Assistant, the button Binary Sensor and RGB Light entities are available:
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