Control your somfy blinds with homeassistant with the help of ESPhome
Connect an 433mhz transmitter to GPIO4 of the ESP32. Make sure you change the crystal for a 433.4mhz one. If you don't do this it might work but reception will be bad
copy somfy_secrets.h and somfy_cover.h the directory "/esphome"
Make a new device in esphome and use 'somy.yaml'
To program it you need a working remote.
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go to somfy.local or the local Ip adress of the esp32, for me this is 192.168.1.196
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Grab your working somfy remote, choose the channel of the blind you want to program
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press an hold the program button on the back of the remote until the blind goes up and down.
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press the prog. button on the esp32, the blind should move shortly up and down again.
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That's it!
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known bug: Codes seems to reset when you reboot the esp32. Reprogramming it doesnst seen to work after this. You wil have to change the remoteadresses in "somfy_secrets.h".