temperature-control-system.zip

说明：  stm8l051f3例程，内含多个stm8l051f3的库函数应用(stm8l051f3_demo,contains multiple STM8L051F3 library function applications.)

说明：  spi模拟i2s，实现音频播放，网上的参考，不易找到，供大家分享(spi simulation i2s, for audio playback, online reference, easy to find for people to share)

利用定时器，产生 可调频的脉冲。。。。。。(The timer can be chirp)

用PWM方波调节LED亮度P1.1控制LED，低电平点亮K3和K4分别接在P3.4、P3.5，按下时为低电平按K3可调暗LED，按K4可调亮LED(PWM square wave with adjustable LED brightness control P1.1 LED, low light K3 and K4 are connected to the P3.4, P3.5, when pressed by K3 adjustable low dark LED, adjustable by K4 LED light)

V-USB firmware for AVR controllers

keil project for application for read ads1232 read and Displat 7-segment led

一款基于C51单片机和霍尔元件的金属探测器(A Metal Detector Based on C51 Single Chip Microcomputer and Hall Element)

MSP430程序 用PWM模拟DA输出，输出IO外接RC滤波电路即可

说明：  板载三个灯同时亮灭，板子上可以看到灯发出闪烁的白光(On-board three lights turn on and off at the same time)

底层调用了PCSC的通信库Winscard，可用于PC上读卡器与智能卡的通信(It calls the underlying communication library Winscard PC can be used on a PC to communicate with the smart card reader)