用于51单片机的定时器延时子程序，对定时有要求的进!

好久没来了,写个4*4键盘的程序把,基本上每行都有解释,很适合初学者-Long time did not come, write a 4* 4 keyboard procedure to basically have to explain each line, it is suitable for beginners

8路AD采集系统，数字电压表，采用ADC0809模数转换芯片，单片机控制的数字采集系统-8-channel AD acquisition systems, digital voltage meter, the ADC0809 analog-to-digital converter chip, single-chip microcomputer controlled data acquisition system

语音控制小车(迷你型) 基于凌阳SPCE061A单片机的智能小车程序-Voice-controlled car (mini) based on the Sunplus SPCE061A SCM smart car program

蜂鸣器响 改变蜂鸣器的频率，通过改变延时时间 蜂鸣器的时间要是是靠延时来完成的-Buzzer buzzer ring to change the frequency by changing the delay time if the buzzer is the time to be completed by the time delay

无线传感器网络leach协议 无线传感器网络leach协议-WSN LEACH protocol

此为18B20的驱动程序,经过实验,是可行的-18B20 This is the driver, after experiment, it is feasible

AVR控制SD卡或MMC卡的程序 调试通过-AVR control the SD card or MMC card through the program debugging

C8051F52xA_53xA型单片机ADC驱动源代码-C8051F52xA_53xA-based single-chip ADC driver source code

单片机C8051加无线模块nRF24L01实现温度传感器数据采集和无线收发（接收部分）-C8051 MCU plus wireless module nRF24L01 to achieve the temperature sensor data acquisition and wireless transceiver (receiver part)

此为18B20的温度检测以及键盘控制和液晶显示程序.好用.-18B20 This is the temperature detection and control of the keyboard and LCD display program. Easy to use.