Elecrow ThinkNode M2 is yet another Meshtastic handset for off-grid messaging and GPS coordinate sharing based on an ESP32-S3 ...

It uses the MFRC522 RFID module to detect and read RFID cards. When a valid card is tapped, the system marks the user as "Present" and displays a message on a 16x2 LCD. Unauthorized cards trigger a ...

This integration allows to monitor Bluetooth Low Energy (BLE) battery management systems (BMS) from within Home Assistant.