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myStrom Binary Sensor

The mystrom binary sensor platform allows you to use myStrom Wifi Buttons with Home Assistant. The myStrom Wifi Buttons support three and the myStrom WiFi Button + four different push pattern:

  • single: Short push (approx. 1/2 seconds)
  • double: 2x sequential short pushes (within 2 seconds)
  • long: Long push (approx. 2 seconds)
  • touch: Touch of the button’s surface (only affective for WiFi Button +)

The first usage of the pattern will create the binary sensor for the pattern. If the WiFi Button is pushed one time then a binary sensor for the single pattern will be created. The same applies for the other patterns. With the second usage of the pattern the binary sensors become fully functional.

The buttons will give you feedback with its built-in LED:

  • white then green: Pattern was submitted successfully
  • white then red: There is a problem with the communication

To use your myStrom WiFi Button in your installation, add the following to your configuration.yaml file:

# Example configuration.yaml entry
binary_sensor:
  - platform: mystrom

Setup of the myStrom Buttons

You need to configure every button to make it work with Home Assistant. First connect the Wifi Buttons to your wireless network. Keep in mind that they only support WPS (Wi-FI Protected Setup). Once a button is connected you have three minutes to set the actions for the push patterns. The fastest way is to use curl. Check the documentation of the WiFi Button for further details about the implementation (http:// is replaced by get:// or post://). action is the name of the corresponding push pattern (see above).

The endpoint that is recieving the data is [IP address Home Assistant]:8123/api/mystrom.

$ curl -d "[action]=get://[IP address Home Assistant]:8123/api/mystrom?[action]%3D[ID of the button]" http://[IP address of the button]/api/v1/device/[MAC address of the button]
{
  "[MAC address of the button]": {
    "type": "button",
    "battery": true,
    "reachable": true,
    "meshroot": false,
    "charge": true,
    "voltage": 4.292,
    "fw_version": "2.26",
    "single": "get://[IP address Home Assistant]:8123/api/mystrom?single=[id of the button]",
    "double": "",
    "long": "",
    "touch": ""
  }
}

A complete command to set the URL for a double click could look like the example below:

$ curl -d "double=get://192.168.1.3:8123/api/mystrom?double%3DButton1" http://192.168.1.12/api/v1/device/4D5F5D5CD553

The firmware version 2.26 doesn’t support TLS/SSL. This means that you are only able to use the WiFi Buttons if you are using plain-text communication between Home Assistant and the clients/entities.