利用PWM实现正弦波和DTMF

介绍了集成温度传感器AD590，给出了AD590测量热力学温度、摄氏温度、两点温度差、多点最低温度、多点平均温度的具体电路，并以节能型温、湿度控制系统为例介绍了利用AD590测两点温差电路的应用。-Introduced an integrated temperature sensor AD590, given AD590 measuring thermodynamic temperature, Celsius temperature, two temperature difference, multi-point minimum temperature, average temperature of the specific multi-point circuits, and to energy-efficient temperature and humidity control system as an example, introduced the use of two AD590 temperature measurement circuit applications.

SD卡方面的东东,希望对大家有所帮助,呵呵, 我为人人,人人为我

该程序是个蜂鸣器的调试程序，歌曲是兰花草-The program is a debug procedures buzzer, songs are兰花草

ds1302 + nokia5110的显示程序,以及ad 测量电压的程序， 以及定时器 键盘扫描. 以及L9110的 输入输出 关系. 以及eeprom的 读写. -ds1302+ nokia5110 display procedures, and ad measurement of voltage, procedures, and the keyboard scan timer. as well as the L9110 of the input-output relationship. as well as the read and write eeprom.

插入式系统初步编程，取

编译器keil c, 功能：对atmel的dataflash读写，型号：at45db041- Compiler keil c, function: To atmel dataflash read-write, model: At45db041

监控PS2的按键信息，是否有键按下是否为要监控的值。是则激活，不是则继续。-PS2 monitor key information, whether there is any key press if the point is to monitor the value. Is then activated, not continued.

利用VB开发的用于双机互联的应用程序。主要是利用RS232串口。-The use of VB for development of two-plane interconnect applications. Mainly the use of RS232 serial port.

16*2液晶显示驱动程序，包含字符输出和字符串输出函数，可直接使用-16* 2 LCD driver output and the string contains the character output function can be used directly

motorbike alarm and theft control