Hackaday

Birduino Plays Bird Calls On Demand With NFC-enabled Cards

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 ...

LCD Wizard Generates Ready-to-Use ESP32 Touchscreen Code

LCD Wizard generates complete LVGL code for ESP32 and STM32 touchscreen interfaces directly in your browser. Get 15 free code ...
Hackaday

Rendering 3D Prints From G-Code

Your CAD software generally has some rudimentary tools for rending images of your parts, from simply-textured models to more ...
blog.csdn

ESP32 RFID刷卡项目实战：MFRC522与SPI通信从入门到联网考勤

RFID无线射频识别技术通过13.56MHz电磁波实现非接触式卡号读取，其核心在于读卡器与卡片间的电磁感应与SPI通信协议。在物联网开发中，ESP32凭借丰富的GPIO、稳定的SPI接口和内置WiFi，成为驱动MFRC522模块的理想平台。掌握这一技术，不仅能构建门禁、考勤等实用系统，还能深入理解嵌入式硬件通信与 ...