Controlling 433 mhz devices, can't find codes

Hi,

thanks for the tips. So I guess I can use this library with a separate Arduino to get the codes, and then use the 433 tx and rx on my Rpi in combination with https://home-assistant.io/components/switch.rpi_rf/ to control the receivers. Or do I need the arduino to control the receivers as well via HA.
Does anyone know if that component works with dimmers as well?

I see that pilight has support for newer Kaku devices (https://wiki.pilight.org/doku.php/devices). Any one has experience with that?

Thanks