第二版ESP32+PN532(RFID)组合板实物图： 上一节中第一版存在无法读取NFC设备信息的问题，打开PN532的读写软件，如下图所示，检查发现是元器件布局连接，IPEX天线座的连接以及铺铜存在问题。 将组合板的拨码开关关闭，实际上就是将PN532与ESP32断开，将USB转TTL连接 ...

一个基于ESP32和PN532的RFID读写器，可以读写M1、UID、CUID、FUID、带NFC功能的手环、手机等，门禁卡解决方案的不二之选。设计的板子引出UART接口，可用于连接外部主机进行调试，同时USART通过开关连接到ESP32，将采集的数据通过ESP32的蓝牙或WiFi传输。 ESP32-WROOM-32 ...

If you are searching for an easy way to add biometric fingerprint sensor to your project you may be interested in a new wireless open source ESP32-based fingerprint module equipped with NFC created by ...

For those looking to add wireless connectivity to embedded projects or to build IoT devices, there is perhaps no more popular module than the ESP32. A dual-core option exists for processor intensive ...

Cruise around AliExpress for long enough and you’ll find some interesting new hardware. The latest is the TTGO T-Call, an ESP32 breakout board that also has a cellular modem. Yes, it’s only a 2G modem ...

The creators of the Pi-oT Module have returned to Kickstarter once again to launch their new IoT module based on the ESP32. This allows users who are familiar with Arduino programming or prefer a more ...