Nightrider

矢量传感器的声强法定向程序。利用矢量传感器输出生涯和阵速的相关性，求出平均声强可以提高定向精度的方法。(Sound intensity vector sensors to the statutory procedures. The use of vector sensor array output career and the relevance of speed, calculated the average sound intensity can improve the directional accuracy of the method.)

ATM 机控制的恒流源设计 硬件与软件方案(ATM machines controlled current source design hardware and software solutions)

说明：  基于STM32F407 MCU，对RS485进行通讯测试,DMA收发数据，经测试数据稳定，功能正常(Based on STM32F407 MCU, RS485 was tested for communication,DMA data receiving and receiving, the tested data was stable and the function was normal)

There is an increasing demand today for motor control circuits, as a result of the incredible proliferation of automated position control equipment, which is itself made possible by recent developments in the field of digital computation.

STM8S系列单单片机教程，第三课，教你从零开始学会使用蜂鸣器，让蜂鸣器唱歌吧(STM8S series single chip tutorial, the third lesson, teach you from scratch to learn to use the buzzer beeper to sing)

定时器扫描矩阵键盘，让你彻底摆脱delay(Timer scan matrix keyboard, let you completely get rid of delay)

一种简单实现无线传感器网络时间同步的HRTS算法(A simple wireless sensor network time synchronization algorithm HRTS)

说明：  红外接收相关资料，很值得一看，是初学者学习的绝好资料(Infrared receiver information, it is worth a visit, is an excellent information for beginners to learn)

si4432官方代码，EZMacPRO官方协议，对研究SI4432很有帮助(si4432 official code, EZMacPRO official protocol, the study SI4432 helpful)

STC8A单片机串口收发，开机显示“我爱单片机“，然后在发送区发送字符，接收区接收并显示(STC8A microcontroller serial transceiver, boot display "I love SCM", and then send characters in the sending area, receiving and receiving area display.)