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说明：  通过stm32单片机生成互补pwm驱动三项桥，构成逆变电路，生成三项交流电。内含源代码及protues仿真程序。(Three bridges driven by complementary PWM are generated by STM32 single chip computer, which constitute the inverting circuit and generate three alternating currents. Includes source code and PROTUS simulation program.)

离散增量式PID，可把ABC当成比例，积分，微分常数，以及LG4200D+AX345三轴加速度，三轴陀螺仪读取原始数据。(Discrete incremental PID can treat ABC as proportional, integral and differential constants.)

开源无人机平台 crazyflie 的 原理图(Schematic of the open source drone platform crazyflie)

说明：  nrf905模块的无线通信例子，希望有用(Nrf905 module wireless communication example, hope useful)

全自动 hdi板边程式 可以自动跑hdi板边 genesis2000脚本(Automatic hdi board edge program You can automatically run hdi board edge genesis2000 script)

TDS2012说明书，泰克示波器的详细说明书，内容非常全，对初学者有很大帮助(TDS user guide)

c51单片机实现GPS数据接受并通过数码管显示时间(c51 achieve single-chip GPS data receive and display digital time)

USB与51单片机的连接使用，采用PDIUSB12接口芯片(51 single-chip USB connectivity and use, the use of PDIUSB12 interface chip)

IC卡读卡器整套，资料非常难得的一款非接触式IC卡（Mifare卡）读卡器的整套代码，包括C语言代码以及电路板PCB制作文件等！(IC card reader package. information is one of the rare non-contact IC card (Mifare card) reader to the package code, including C language code and PCB circuit boards produced documents!)

Sensorless Detection of Rotor Position of PMBL Motor at Stand Still