MQTT

Receive Buttonstates

SmartPusher publish the button states via MQTT to following topics:
[prefix]/button[x]/click
[prefix]/button[x]/double_click
[prefix]/button[x]/long_click
[prefix]/button[x]/push (only in pushmode)

while [prefix] is "SmartPusher" by default and [x] represents the number of the pressed button (1-8)

Control LEDs

If you set the LED Mode to extern youre able to control the LED state of each button by yourself. [prefix]/button[x]/state

as payload send a number from 0 to 2
0 = Off
1 = On
2 = Breathe

Brightness

You can set the brightness of your smartpusher. This will control the OLED and button leds.
[prefix]/brightness
send a payload with a number from 0-255. 0 will turn off the oled and button leds.

Send Text

Youre able to send a text to the OLED display to show a response from your Smarthome
[prefix]/message

The Message will scroll vertically if it not fit

Send Image

You can render your own image on the SmartPusher OLED

create a 128x64 image in your favorite photo editor like Photoshop, GIMP, Paint etc. and save it as a .png file. e.g. test.png

Download the png2bin converter and copy your png file to the same directory. open a terminal and use it like
png2bin [source-PNG] [destination-bin]
e.g.
png2bin test.png test.bin

open a webbrowser and navigate to [SmartPusher-IP]/files
Then upload your .bin file to the SmartPusher flash memory

Without a reboot you can show the image by publish to the image topic
[prefix]/image
Payload name of the bin file (e.g. test.bin)