[Matt] has mixed up a batch of two RFID reading door lock systems. While the “door lock” part of the setup has yet to come into existence, the “RFID reading” section is up and running. By using the ...

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 ...

A comprehensive IoT-based attendance system using Arduino RFID readers, Node.js backend, and MySQL database for educational institutions. visual1/ ├── rfid_backend/ │ ├── arduino_rfid_code/ # Arduino ...

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 ...

人気のシングルボードコンピュータ（SBC）であるRasberry Piと同様に有名なSBCであるArduinoを紹介します。 Arduinoは2005年イタリアの大学教授Massimo Banzi氏らによって開発された、コンピュータ初心者向けの「電子工作用マイコンボード」です。 下記特徴により ...

// NOTE: Assignment requires using only these four topics. String topic_status = "rfid/" + String(team_id) + "/card/status"; String topic_balance = "rfid/" + String ...

After acquiring Philadelphia-based Neiman Group, Boston ad agency Allen & Gerritsen found itself with two teams of employees separated by 300 miles. It presented an increasingly common problem: When ...