By default the bluetooth module HC-05 sets baud rate at 38400, data bits 8, Stop bits 1 All schematics of this bluetooth module can be found at : http://pan.baidu.com/s/1o6BiNDS I used a USB-> TTL usb module connecting to the bluetooth module. Rx ->
This page describes the construction of an RFID reader using only an Arduino (Nano 3.0 was tested, but others may work), a hand-wound wire coil, and some assorted low cost common components. Credits The hardware and software designs for this project
This 125 kHz RFID reader http://www.serasidis.gr/circuits/RFID_reader/125kHz_RFID_reader.htm http://www.serasidis.gr/circuits/RFID_reader/images/125kHz_RFID_reader_schem.GIF I will try to explain with simple words how the RFID works. The ATtiny13 use
https://www.kickstarter.com/projects/1708444109/rfidler-a-software-defined-rfid-reader-writer-emul https://github.com/ApertureLabsLtd/RFIDler http://adamsblog.aperturelabs.com/2013/08/rfidler-open-source-software-defined.html The Goal To produce a to
PlatformIO简介 PlatformIO是开源的物联网开发生态系统.提供跨平台的代码构建器.集成开发环境(IDE),兼容 Arduino,ESP8266和mbed等 支持在Windows.Linux.macOS上使用预编译好的工具链,调试器和框架进行开发.它支持超过350个的嵌入式设备,超过20个的开发平台,超过10个的框架. Atom PlatfromIO IDE是基于Atom的新一代集成开发环境.提供了C/C++的代码智能提示,程序库管理,内置命令行等功能. Visual Studio