This library only support TTL RS232 serial port. VCC support 3.3 ~ 5V TX, RX connect to Arduino or Seeeduino T1, T2 is the Signal port for RFID antenna W0, W1 is for wiegand protocol, but this library ...

We've developed numerous Arduino modules for various fields of teaching. Each section is divided into kindergarten through 6th grade and 6th grade through 12th grade. While some of these modules can ...

Abstract: In a shopping mart, imagine ten people waiting in line. If the first five people have many items in their carts, the last person with only one or two items may wait a long time to pay. To ...

IoT-based RFID access control using ESP32, RC522, and PHP/MySQL. Features include badge management, access logs, and manual door control via a web interface. Developed for secure industrial ...

Abstract: Today, installing a home security system is a critical study in implementing cutting-edge technology to attain this purpose. One of the most useful technologies to allow remote monitoring of ...

Built for versatility, the Q-6690 is designed to power everything from rugged handheld scanners and retail point-of-sale systems to interactive kiosks. For manufacturers and solution providers, it ...