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valve Device
Erik Baauw edited this page Apr 16, 2021
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A valve device exposes any switchable on/off device connected to a GPIO pin, like a relay, LED, or fan.
Homebridge RPi configures the GPIO pin for output.
Homebridge RPi configures pigpiod to send real-time notifications when the GPIO state changes.
The device is exposed as a separate HomeKit accessory, with a Valve service. Through this service, you can control the GPIO output from HomeKit.
The main difference from a Switch is that a Valve turns off automatically after a set duration. You can set this duration from HomeKit. HomeKit also shows the remaining duration.
The valve device uses the following config.json keys:
| key | type | Description |
|---|---|---|
name |
string | The name for the device in HomeKit. |
gpio |
integer | The GPIO pin. |
reversed |
boolean | The device state is reversed. |