13.56 MHz RFID reader showing MIFARE card UIDs on a 16x2 I2C LCD, in a custom 3D printed case. Base for access control. Full article (Italian) with wiring diagram, photos and step-by-step explanations ...
Important: The RC522 operates at 3.3 V. Do not connect its power pin to 5 V. Check voltage compatibility between the RC522 and your Arduino board's signal pins. The GSM module's connections depend on ...
This project demonstrates the design and implementation of an RFID-based attendance system that enables automated, contactless attendance tracking. When a registered RFID card is scanned, the system ...
An IoT-based Smart Attendance Management System powered by an ESP32 Development Board, an RC522 RFID Module, and a Buzzer for audio-visual feedback. This project reads unique RFID keycards/tags via ...
All [Hannah Robertson]’s Birduino needs is for one to tap an NFC-enabled card to the reader, and the device plays one of the vocalizations associated with the bird shown on the card. It ties together ...
Firmware Arduino IDE / C++ Embedded control logic, sensor/actuator interfacing, hardware control, and serial data transmission. Communication Eclipse Mosquitto MQTT Lightweight publish/subscribe ...
文章浏览阅读301次。DeepSeek发布V4.1 Flash 1017版本，在DeepSWE编程基准中达77.0分，超越Claude Opus ...
ESP32微控制器：作为电路板的大脑，ESP32提供了强大的处理能力和无线通信功能。它支持Wi-Fi和蓝牙连接，使得电路板能够轻松接入互联网，实现远程控制和数据传输。 Arduino兼容性：电路板设计 ...
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