BME280:		
https://github.com/RuiSantosdotme/ESP-MicroPython/blob/master/code/WiFi/HTTP_Client_IFTTT_BME280/BME280.py

Dot-Matrix:
https://github.com/mcauser/micropython-max7219

RFID:
https://github.com/Tasm-Devil/micropython-mfrc522-esp32/blob/master/mfrc522.py