int ps_relay = 2; //This is the pin that drives the relay for the charging power supply int load_relay = 3; //This is the pin that drives the load for discharging the battery int batteryPin = A0; ...

RFID Module: Reads the UID from an RFID tag/card. If the UID matches the authorized UID, access is granted. This project is open-source and can be freely used for educational purposes. I demonstrate ...

Building IoT projects with touchscreens used to be a headache, involving numerous components, messy wiring, and endless troubleshooting. But the ESP32-S3 Box-3 makes things way easier. It is an all-in ...