use rpi zero w with rtl_433 and sdr to mqtt data to home assistant
- install raspberry lite, ssh
- install rtl_433
- install mqtt client
- set rtl_433 for mqtt format
- test listen mqtt function at HA
- write automation for rtl_433 data
https://www.youtube.com/watch?v=DpTwH9BPBvY
https://desertbot.io/blog/headless-pi-zero-w-wifi-setup-windows
https://benstechcents.blogspot.com/2019/08/raspberrypi-rtl433-to-mqtt-gateway.html
https://desertbot.io/blog/headless-pi-zero-w-wifi-setup-windows