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    2.0.6 • Public • Published



    This is a plugin that interfaces between Homebridge (and HomeKit) and the Lutron Caséta Smart Bridge. Specifically, this adds support for the Serena Smart Wood Blinds. Because HomeKit control for dimmers and switches, etc, are natively supported by the Smart Bridge, this plugin doesn't implement them. If you want to help out and add support, please see the To-do and contributions section at the bottom of this document.

    NOTE: Pico remote support is complicated. I would like to add support, but I do not have the means to do so today.

    This is specifically not for the Smart Bridge Pro, which uses (can use) an entirely different protocol. This plugin makes use of the lutron-leap-js library, which implements the Lutron LEAP protocol, used by the Lutron mobile apps.


    Get your bridge ID

    The bridge ID is the serial number, and is printed on the underside of the bridge, indicated here in green:

    picture of the underside of a bridge, showing the sticker with the ID on it

    Get your bridge credentials

    The easiest way is to use the get_lutron_cert.py script that comes with the pylutron-caseta project, without which this would not have been possible.

    To use the script, you'll want to check out the repo:

    git clone https://github.com/gurumitts/pylutron-caseta.git

    Then, create a venv and install the depedencies:

    python3 -m venv env
    . env/bin/activate
    pip install .

    Then run the helper script:

    python get_lutron_cert.py

    Each file corresponds to a configuration item:

    • caseta-bridge.crt => CA certificate
    • caseta.key => Private key
    • caseta.crt => Signed certificate


    Either run npm -i homebridge-lutron-caseta-leap in your Homebridge installation directory or install it using homebridge-config-ui-x.


    Each bridge on your network that you wish to control needs its own configuration entry.

    Using homebridge-config-ui-x

    If you're using the GUI, you'll want to fill out the form, copying and pasting in the appropriate fields:

    a screenshot of the configuration UI, with fields filled with the contents of certificate files

    The UI will handle multi-line input, so just paste it in.

    Click the "ADD SECRETS" button to add additional bridges.

    Using config.json

    The shape of the configuration is:

        "platform": "LutronCasetaLeap",
            "secrets": [
                    "bridgeid": "0a1b2c3d",
                    "ca": "-----BEGIN CERTIFICATE-----\nMII...",
                    "key": "-----BEGIN PRIVATE KEY-----\nMII...",
                    "cert": "-----BEGIN CERTIFICATE-----\nMII..."
                { ... }

    The authn strings are newline-escaped versions of the files you generated.

    To-do and contributions

    I welcome contributions! I wrote this to scratch an itch (no Serena wood blind support), but would be fine with additional devices. To add a device:

    • Add a case to LutronCasetaLeap.configureAccessory and handleBridgeDiscovery for your new device type.
    • Add a class for your device. The constructor should wire up event handlers and manage services and characteristics.
    • Add relevant methods to the SmartBridge class in the lutron-leap-js project to control the device. These methods should construct command requests.
    • Add an "unsolicited events" handler in your new device class to update itself when new information arrives from the bridge, and to update characteristic values.


    npm i homebridge-lutron-caseta-leap

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