HAL库的蜂鸣器驱动程序，可以实现简单的蜂鸣功能
Buzzer Driver for HAL Library (2023-09-13, C/C++, 1532KB, 下载0次)
用arduino控制DS18B20实现测温功能
measure temperature by using DS18B20 based on arduino (2020-11-28, C/C++, 631KB, 下载0次)
PX4FLOW光流传感器设计资料，本资料仅供学习交流严禁使用于任何商业用途
Px4flow optical flow sensor design information (2020-10-19, C/C++, 4091KB, 下载0次)
实现USB集线器功能 具有详细原理图和PCB设计
Realize USB hub function with detailed schematic diagram and PCB design (2020-07-24, C/C++, 8497KB, 下载2次)
该文件是一个四轴飞行器的电路图，从中可以了解飞行器的硬件电路。
This document is a circuit diagram of a four-axis aircraft, from which we can understand the hardware circuit of the aircraft. (2019-07-24, Others, 114KB, 下载4次)
用于stm32芯片，产生正玄波波形可调节
Used in STM32 chip to produce positive and baseband waveform which can be adjusted (2019-05-29, C/C++, 6420KB, 下载0次)
文件中包含定时器使用的例程，讲解在程序中如何控制32开发板上的定时器做出反应，比如定时时间到蜂鸣器响这样的操作。
The document contains routines for timer use, explaining how to control the timer on the 32 development board to react in the program, such as timing to buzzer sounding operation. (2019-04-03, C/C++, 671KB, 下载0次)
无公网 IP，使用花生壳内网映射实现外网数据传递到内网；基于2G DTU GPRS730 设备，连接到服务器；实现串口向服务器发送数据，接收服务器返回的数据；
Without public network IP, peanut shell intranet mapping is used to transfer data from external network to intranet; 2G DTU GPRS730 device is used to connect to the server; serial port is used to send data to the server and receive data returned by the server; (2019-02-27, Others, 600KB, 下载2次)
基于测试服务器实现有人GPRS730 DTU透传，连接到测试服务器；实现串口向测试服务器发送数据，服务器自动返回接收到的数据；
Based on the test server, GPRS730 2G DTU is transmitted to the test server and connected to the test server. Serial port is used to send data to the test server, and the server automatically returns the received data. (2019-02-27, Others, 737KB, 下载4次)
HC-SR04超声波传感器 代码及芯片资料
HC-SR04 UltraSonic Source code (2019-01-01, C/C++, 1KB, 下载1次)
寄存器各类案例 (2018-07-05, C/C++, 31203KB, 下载0次)
http://www.pudn.com/Download/item/id/1530752817122596.html
LLC 半桥 变压器 谐振电感设计计算过程
LLC halfbridge coil step transformer (2018-06-28, Others, 1575KB, 下载10次)
SWD协议的研究及ARM程序下载器的设计
Programming Internal Flash Over the Serial Wire Debug <SWD> Interface (2018-06-07, C/C++, 21983KB, 下载88次)
ti官方单相并网逆变器PCB，原理图，程序，核心板原理图暂时还没开源，核心板用的是TI的F28379D controlCARD for C2000 Real time control development kits，淘宝有的卖，
PCB 和 原理图是altium的
Hardware Features
Baseboard with interface to accept HSEC180 controlCARDs
380V DC input, 110Vrms 60Hz or 220Vrms 50Hz output
Voltage Source and Grid Connected modes
98% peak efficiency
Low total harmonic distortion (THD) <1% for linear loads and <3% for typical non linear loads
Hardware Features
Baseboard with interface to accept HSEC180 controlCARDs
380V DC input, 110Vrms 60Hz or 220Vrms 50Hz output
Voltage Source and Grid Connected modes
98% peak efficiency
Low total harmonic distortion (THD) <1% for linear loads and <3% for typical non linear loads (2017-10-27, C/C++, 12116KB, 下载48次)
利用 stm32与keil编程的四轴飞行器程序
Four axis aircraft program using STM32 and kell programming (2017-06-21, Visual C++, 70496KB, 下载20次)
Arduino单片机 使用超声波传感器 测量距离
The Arduino microcontroller uses an ultrasonic sensor to measure the distance (2017-06-02, C/C++, 9KB, 下载1次)
这是一个使用altium desinger 设计的四轴遥控器pcb图纸
This is a design using the altium designer four-axis remote control pcb drawings (2017-04-24, Altium, 1969KB, 下载8次)
cc2530芯片ZigBee协议定时器实验
CC2530 chip ZigBee protocol timer experiment (2017-03-03, C/C++, 36KB, 下载1次)
九轴传感器9150/9250的arduino代码
Nine-axis sensor 9150/9250 arduino code (2017-02-27, C/C++, 60KB, 下载2次)
这是一套启天飞控源码，实现了四旋翼飞行器的所有环节，包含信号传输、飞行器控制、控制器设定等功能。
Anonymous flight control source, to achieve all the four rotorcraft links, including signal transmission, aircraft control, controller settings and other functions. (2017-02-25, C/C++, 8208KB, 下载10次)