采用反正法扫描方法对4X4矩阵式按键进行扫描，判断是哪个按键按下。...

超声波程序分体式超声波发射接收对管 型号：TR40 频率：40K T是发射 R是接收 -Ultrasound procedures ultrasound split launched on the possession receiver models: TR40 frequency: 40K T is launching R is the receiver

传感器接口说明:从左到右依次为通道1,地,通道2 功能:在数码管上显示传感器接口通道2输入的电压 小数部分为7位,整数部分1位-Sensor Interface Description: from left to right channel 1, and channel 2 functions: to show possession in the digital sensor interface channel 2 voltage input for the fractional part of 7, an integral part of

一个对1602液晶显示器的驱动程序，并实现一个简单的电子时钟-1602 a liquid crystal display drivers, and realize a simple electronic clock

AD592温度传感器的说明，内含若干电路图-AD592 temperature sensor description, containing a number of circuit

此代码可用来控制数码管及LED的显示，对初学单片机的人很有帮助-This code can be used to control and LED digital tube display, and the people very helpful beginner Singlechip

温度控制识别 温度控制识别 -fjdkjafkljdljalfld

ds18b20 温度传感器 硬件设计和软件编程 供大家学习只用 能力有限 大家共同探讨-DS18B20 temperature sensor hardware design and software programming for your learning only limited ability to explore all

avr的ds18b20驱动，大家可以参考下，可以使用-avr of DS18B20 drive, everyone can refer to the next, you can use

单片机P2口4×4键盘。分别是0到15，很好用的程序欢迎大家下载-SCM P2 port 4 × 4 keyboard. Are 0 to 15, well welcome to use program to download

AT89S52单片机驱动带字库的LCD12864液晶屏实现图形显示 ，程序应经验证过！-AT89S52 with character-driven single-chip LCD LCD12864 implementation of graphical display, the program should be certified too!