ADXL345

说明：  这是基于STM32的80MHZ-110HZ频谱仪(This is a 80MHZ-110HZ spectrum analyzer based on STM32.)

说明：  ht47r20遥控程序，红外线载波输出频率这系统时钟的12分频，当系统频率为480KHZ，载波频率为40KHZ(ht47r20 remote control procedures, infrared output carrier frequency system clock frequency of 12 minutes, when the system frequency for 480KHZ, carrier frequency 40KHZ)

一个多通道ADC转换DMA传输数据。程序是选择的通道0和通道1，各采集50次，然后滤波取其平均值，并发送到串口显示采样的电压值。(A multi-channel ADC conversion DMA transfer data. Program is selected channels 0 and 1, each collecting 50 times, then filtering the mean value, and sent to the serial display sampled voltage value.)

51单片机编写的网络节点 自组织无线网络(51 single written self-organizing wireless network nodes network)

LPC1114单片机流水灯程序，需要P2.8到P2.11外接四个LED灯。(LPC1114single-chip light water program)

无线温度控制及监测系统，基于stm32开发(Wireless Temperature Control and Monitoring System)

说明：  基于51单片机的远程仓库湿度监测系统，含proteus仿真(Remote Warehouse Humidity Monitoring System Based on 51 Single Chip Microcomputer with Proteus Simulation)

AT89C51控制步进电机，实现正反转加减速，驱动芯片是ULN2803.(AT89C51 control the stepper motor to achieve reversing acceleration and deceleration, the driver chip is the ULN2803.)

用C语言实现matlab的butter函数中低通和带通功能,高通和带阻没写,有兴趣的可以自己加入.(Using C language to achieve matlab butter function low-pass and band-pass function, high pass and band stop did not write)

数字温湿度传感器SHT1X中文器件手册（PDF及DOC），还包括SHT1X的51例程。SHT1X开发必备。(Digital temperature and humidity sensor device SHT1X Chinese Manual (PDF and DOC), also includes SHT1X 51 routines. SHT1X development essential.)