Project using Arduino UNO and a RFID reader module (EM-18) to control an LED and a Relay. Circuit schematic and Arduino Sketch (source code) are provided here. The reader transmits radio frequency ...

The Arduino acts as the brains of the operation ... To add new keys to the system, [Jason] simply swipes his “master” RFID key. An indicator LED lights up and a piezo speaker beeps, letting ...

By connecting multiple MFRC522 RFID readers to an Arduino Uno, she’s come up with ... give “hints” to the player by way of a status LED: fast blinking let’s you know the tag scanned ...

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

When you think of Arduino projects, your mind likely goes straight to RFID door locks ... With each contact you make, the red LED lights up, the buzzer beeps and the seven-segment LED display ...

A cool RFID music table has been created using Arduino, iPod, and RFID tags to make it easy to change albums by simply changing the RFID tag. Each RFID tag has an individual code number relating ...

Using and customizing the display is easy, with a specially written Arduino library and a dozen pre-made examples. Maker LED display also has Wi-Fi so it can connect to the internet to retrieve ...