Awesome

ESP32-433Mhz-Receiver-and-Tools

ESP32 433Mhz Receiver written in micropython and Tools for Windows

I used a ESP32 development board and a SRX882 receiver. Any other will be good.
There are lots of tutorial to connect it to the board.

This is not only a simple receiving program.
It transmit the results to UDP socket or to OpenHab.

Here you can develop and implement your own decoder. You can configure the decoder output to a user friendly name or OpenHab Item
Config for SSID, Password, UDP socket IP and OpenHab URL

Install:
Copy the files rx433_ESP.py wifi.py and rx433_config.py to ESP32 Make a directory rx433_decoder and copy the decoder files.

Windows Tools

connect the ESP32 via USB and be sure to enable Debug=on in the config file!

ESP_Config_Editor

Loads the config file via USB from ESP32. You can edit and save it back.

ESP32_Sniffer

The tool received the 433Mhz results via USB and show the raw data and the decoded data
You get a list of devices and address in your surrounding, thats usefull to create
the config file.