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 ...

Hardware Arduino Nano RC522 RFID (SPI) 4×4 Keypad IR sensor (vehicle detect) Servo motor (gate) Buzzer 16×2 I2C LCD (address 0x25) LEDs (Green/Red) Pin Configuration RC522: RST D9, SS/SDA D10, MOSI ...

The use of Radio Frequency IDentification (RFID) technologies is growing. Many different applications are implemented in various sectors, and used for very different purposes. RFID enables wireless ...

株式会社スイッチサイエンス（以下スイッチサイエンス、本社：東京都新宿区、代表取締役：金本茂）は、電子工作入門の定番マイコンボードとして人気のArduino「Arduino UNO」の最新版「Arduino UNO R4」を、スイッチサイエンスにて2023年6月27日より販売開始します ...