awtrix-light/docs/mqtt.md

MQTT Commands

Dismiss Notification

Dismiss a notification which was set to "hold"=true.

Topic	Payload
[PREFIX]/notify/dismiss	empty payload

Switch Apps

Switch to next or previous app.

Topic	Payload
[PREFIX]/nextapp	empty payload
[PREFIX]/previousapp	empty payload

Switch to Specific App

Switch to a specific app by name.

Topic	Payload
[PREFIX]/switch	{"name":"time"}

Built-in app names are:

• time
• date
• temp
• hum
• bat

For custom apps, use the name you set in the topic. For example, if [PREFIX]/custom/test is your topic, then test is the name.

Add/remove and rearange apps

Topic
[PREFIX]/apps

!> This function provides users with the ability to manage the apps on their device by adding, removing, and rearranging them. However, as it is an experimental feature, caution should be exercised, particularly when attempting to rearrange multiple apps at once, as this can lead to unintended consequences due to the resulting shifts in position of other apps.

By using this function, users can add or remove native apps, as well as custom apps, from the device.
However, it is important to note that custom apps are only temporarily loaded into memory and cannot be added again using this function.
To add a custom app again, you must send it to awtrix via mqtt again.

Additionally, you can rearrange the position of all apps on the device by specifying a new position in the JSON array.
This provides flexibility in organizing apps according to personal preference.

The JSON payload is an array of objects, where each object represents an app to be displayed on awtrix. Each app object contains the following fields:

"name": The name of the app ("time", "date", "temp", "hum", "bat") are the native apps.
For custom apps, use the name you set in the topic. For example, if [PREFIX]/custom/test is your topic, then test is the name.
"show": A boolean indicating whether the app should be shown on the screen or not. If not present, the app is considered active by default.
"pos": An integer indicating the position of the app in the list. If not present, the app will be added to the end of the list.

You can also just send the information for one app.

[
   {
      "name":"time",
      "show":true,
      "pos":3
   },
   {
      "name":"date",
      "pos":0
   },
   {
      "name":"temp",
      "pos":2
   },
   {
      "name":"hum",
      "show":true,
      "pos":0
   },
   {
      "name":"bat",
      "show":false
   },
   {
      "name":"github",
      "show":true,
      "pos":4
   }
]

In this example,

• The "time" app is active and should be displayed in position 3.
• The "date" app should be displayed in position 0.
• The "temp" app should be displayed in position 2.
• The "hum" app should be displayed at first position.
• The "bat" app is inactive and will be removed,
• and the "github" app is active and should be displayed in position 4.

Change Settings

Change various settings related to the app display.

Topic	Payload
[PREFIX]/settings	JSON properties

Each property is optional; you do not need to send all.

Key	Type	Description	Value Range	Default
apptime	number	Determines the duration an app is displayed in milliseconds.	Any positive integer value.	7000
transition	number	The time the transition to the next app takes in milliseconds.	Any positive integer value.	500
textcolor	string	A color in hexadecimal format.	Any valid 6-digit hexadecimal color value, e.g. "#FF0000" for red.	N/A
fps	number	Determines the frame rate at which the matrix is updated.	Any positive integer value.	23
brightness	number	Determines the brightness of the matrix.	An integer between 0 and 255.	N/A
autobrightness	boolean	Determines if automatic brightness control is active.	true or false.	N/A
autotransition	boolean	Determines if automatic switching to the next app is active.	true or false.	N/A