C8051F020 prepared with RA8803 LCD controller 320,240 procedures

HT44780 液晶显示驱动 里面有简单 程序和说明-HT44780 driver inside the liquid crystal display has a simple procedure and description

单片机数字显示程序,含头文件,说明,本人亲自试过.-Single-chip digital display program, including the first document, I personally tried.

用于单片机32bit内的快速开方（C51）-32bit MCU for the rapid evolution (C51)

用keil c51写得温度传感器程序，可以显示小数点后一位，lcm1602显示-Keil c51 with temperature sensors written procedures, one can show after the decimal point, lcm1602 show

关于8051单片机的学习，汇编和C语言编程。-On the 8051 study, compile and C language programming.

自己写的PWM 模拟比较等 AVR16的子程序 供大家参考-Write your own, such as analog comparator PWM Subroutine for the AVR16 U.S. reference

4442卡的底层操作程序 AT45D041大容量IC卡 读写程序-4,442 cards bottom procedures AT45D041 large-capacity IC card reader procedures

用可调电阻调节电压值作为模拟温度的输入量，当温度低于30℃时，发出长嘀报警声和光报警，当温度高于60℃时，发出短嘀报警声和光报警。测量的温度范围在0－99℃。-Adjustable voltage regulator with resistance values of the input analog temperature, when the temperature is below 30 ℃, the issue of longalarm sound and light alarm, when the temperature is higher than 60 ℃, short issuedalarm sound and light alarm. Measurement of the temperature range of 0-99 ℃.

英飞凌SP12 数字压力温度传感器 TPMS轮胎监控系统-Infineon SP12 Digital Temperature Sensor TPMS Tire Pressure Monitoring System

电脑音源切换控制器（带红外功能） 用AT89C251+CD4016切换控制，可控制四路以上的立体音源输入切换，一路立体声输出,有红外遥控PC功能。-Computer audio switch controller (with infrared function) with AT89C251+ CD4016 switch control, can control more than four stereo audio input switch, stereo output along the way, has infrared remote control PC functions.