Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

Elecrow hit Kickstarter with an electronics learning lab-in-a-box based around the Raspberry Pi. A 2nd generation crammed the lab into a laptop form factor. The CrowPi 3 "playground for programming, ...

MySondy GO LoRa32 is an ESP32-PICO-D4 board with a 433 MHz LoRa module and a 0.96-inch OLED designed to track ...

Power on the Arduino. The LCD shows “Please scan your RFID card.” A student taps their RFID card on the reader. The system checks the card: If valid: LCD shows a welcome message, green LED blinks, ...