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 ...
[Sigurd] manage to obtain an old vending machine from his dorm. The only problem was that the micocontroller on the main board was broken. He and his friend decided they could most likely get the ...
睇返RC522 datasheet寫「The MFRC522 reader supports ISO/IEC 14443 A/MIFARE mode」 但八達通的制式卻是Sony 既felica , 雖然大家都是13.56MHz , 但是不是RC522不可能支援到八達通? 我試過用MFRC522既library去讀八達通是沒 ...
37款传感器与执行器的提法，在网络上广泛流传，其实Arduino能够兼容的传感器模块肯定是不止这37种的。鉴于本人手头积累了一些传感器和执行器模块，依照实践出真知（一定要动手做）的理念 ...
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