使用C8051F020和FPGA等其它相关硬件制作的一个程控滤波器，里面包括详细的源代码和设计文档，希望对大家有用。-C8051F020 and FPGA use and other related hardware produced by a program-controlled filter, which include detailed source code and design documents, in the hope that useful to everyone.

C51人机接口技术，有4×4键盘程序显示及其仿真-C51 man-machine interface technology, there are 4 × 4 keyboard display and simulation

美国达拉斯温度传感器DS18B20的温度数值转化程序。-Dallas DS18B20 the temperature into numerical procedures.

这是一个ST7920液晶的串行数据发送程序如果需要发送地址的话就改动RS位为1。-This a LCD Driver serial data if this procedure addresses this need in the case of changes to the RS-1.

完整的I2C软件开发包,包括模拟的I2C和硬件I2C,并且每种都有汇编和C语言两种-complete software development kits, including simulation and hardware I2C I2C, and the compilation and each have two C language

Avr_atmel_小型OS，编译通过。-Avr_atmel_ small OS, compiler through.

ZLG基于51的一个精简实时系统smallRTOS-ZLG based on 51 real-time system a streamlined smallRTOS

键盘扫描LED驱动芯片ch451资料及c语言源代码-keyboard scan LED driver chip ch451 information and c language source code

keil c51 at89c51ac2 with LCD NOKIA5110

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