Homebridge GPIO Valve

Control a valve over a GPIO pin as a HomeKit valve accessory.

Features

• Quick & easy configuration
• Add as many valves as you need: just duplicate the configuration object
• Supports timed valves with duration customizable within the Home app
• Identify support: by default, pressing "Identify" in the Home app will open the valve for ten seconds
• Logs each event (valve open, valve closed, identify) in the Homebridge log

Installation

sudo npm install homebridge-gpio-valve -g --unsafe-perm

Depending on how you have Node installed, you may or may not need sudo and the --unsafe-perm flag.

Configuration

Name	Description	Valid Values	Default
pin	The pin to use for opening and closing the valve	The GPIO pin number of any valid pin. The selected pin should not be written to by any external applications	None
openOnHigh	Whether or not the valve opens when the pin is high	true or false	true
defaultDuration	The duration to open the value for when triggered. The user can change this value in the Home app	A duration in seconds no greater than 3600 (one hour)	600 seconds (ten minutes)
type	The type of attached valve. Affects the icon displayed for the accessory in the Home app.	As of iOS 11.3: "GENERIC_VALVE", "IRRIGATION", "SHOWER_HEAD", or "WATER_FAUCET"	"GENERIC_VALVE"
isTimed	Whether or not the valve is on a timer	true or false	false
supportsIdentify	Whether or not the valve opens in responce to an identify request. The user can trigger an identify request when adding the accessory to their home	true or false	true
identifyDuration	The duration to open the valve for in responce to an identify request	Any duration in seconds. Keep this valve as short as possible; just allow the valve to open and be identified	10 seconds
storageDirectory	The directory for storing the user set duration. The directory is created if it does not exist	The path to any directory which is readable and writeable to Node	A subdirectory called gpio_valve within the Homebridge storage directory. Using the default Homebridge storage directory: ~/.homebridge/gpio_valve
manufacturer	The value of the manufacturer characteristic of the information service	Any string	The author of this package
model	The value of the model characteristic of the information service	Any string	"GPIO Valve"
serialNumber	The value of the serial number characteristic of the information service	Any string	"None"
firmwareRevision	The value of the firmware revision characteristic of the information service	Any string	The current version of this package

Sample

 {
    "accessory": "GPIOValve",
    "name": "Grass",
    "pin": 11,
    "openOnHigh": false,
    "isTimed": true,
    "defaultDuration": 1200,
    "type": "IRRIGATION"
}

Known Issues

• As of iOS 11.3, the Home app only displays a special icon for irrigation valves. All other valve types receive the same generic icon.