Elgato Stream Deck is easy to setup and use.
This article goes over the Actions that are available for use with Mixer.
Mixer - Chat Message
Chat Message lets you send out one message to Mixer each time you press a key.
You can use the Message field to compose your message.
If you like, you can make a folder in Stream Deck that contains many different Actions - each one with a different message to whatever Mixer account you prefer.
Mixer - Clear Chat

Clear Chat lets you clear the chat history in your current Mixer stream.
Mixer - Slow Chat
Slow Chat lets you Turn On Slow Chat and Turn Off Slow Chat in your current Mixer stream.
When you first create this Action, you can select a Duration in seconds:
1 Second
3 Seconds
5 Seconds
10 Seconds
15 Seconds
30 Seconds
60 Seconds
120 Seconds
If you have normal speed chat, then this Action will immediately Turn On Slow Chat for the selected Duration.
If you have slow chat on, then this Action will immediately Turn Off Slow Chat for the selected Duration.
Mixer - Viewers
Viewers lets you show how many people are viewing your current stream on Mixer.
A constantly changing number will be displayed on the key associated with that Action.
This article goes over the Actions that are available for use with Mixer.
Mixer - Chat Message
Chat Message lets you send out one message to Mixer each time you press a key.
You can use the Message field to compose your message.
If you like, you can make a folder in Stream Deck that contains many different Actions - each one with a different message to whatever Mixer account you prefer.
Mixer - Clear Chat
Clear Chat lets you clear the chat history in your current Mixer stream.
Mixer - Slow Chat
Slow Chat lets you Turn On Slow Chat and Turn Off Slow Chat in your current Mixer stream.
When you first create this Action, you can select a Duration in seconds:
1 Second
3 Seconds
5 Seconds
10 Seconds
15 Seconds
30 Seconds
60 Seconds
120 Seconds
If you have normal speed chat, then this Action will immediately Turn On Slow Chat for the selected Duration.
If you have slow chat on, then this Action will immediately Turn Off Slow Chat for the selected Duration.
Mixer - Viewers
Viewers lets you show how many people are viewing your current stream on Mixer.
A constantly changing number will be displayed on the key associated with that Action.