Radio Frequency Identification is widely used in contactless payment cards, National Highway Tollgate systems, and in security passes. By integrating an RFID reader with an Arduino, you will be able ...

This is an example code written to showcase the usage of RF Module and WiFi to control a relay to lock and unlock a door. The ESP32 Dev Board is connected to a 433MHz RF Reciever and a Relay. You can ...

(See the README.md file in the upper level 'examples' directory for more information about examples.) This is the simplest buildable example. The example is used by command idf.py create-project that ...