Based on the ARM in LPC2131 chip, prepared by the SPI, source code!

16*2液晶显示1602驱动程序，内附与单片机的简单接口电路-16* 2 LCD 1602 driver attached with a simple single-chip interface circuit

单片机C8051加无线模块NRF24l01，实现温度传感器数据的采集和无线传输-C8051 MCU plus wireless module NRF24l01, to achieve the temperature sensor data acquisition and wireless transmission

51单片机的步进电机驱动程序-51 Single-chip stepper motor driver

自制电路板FeCl3腐蚀控制器以PIC16F884为控制单片机，内带EEPROM，通过DS18B20和热电阻测温进而控制加热，加热最终温度可设且掉电存储，另外还有控制反应溶液流动电机，此以10秒为周期，流动时间按键可调；无按键10秒后实时显示溶液温度。-Self-made circuit board FeCl3 to control the corrosion controller PIC16F884 microcontroller, which with EEPROM, and thermal resistance through the DS18B20 thereby control the heating temperature, heating the final temperature can be set up and power-down store, in addition to control the flow of electric reaction solution, this 10 seconds cycle, flow time adjustable keys no real-time display button 10 seconds after the solution temperature.

485通信在工业控制及管理系统中应用非常广泛，但485总线的相关资料教材上说明的却非常泛泛，这些资料对485通讯做了详细介绍，并有应用案列，相信对朋友们很实用-485 Communication in industrial control and management system is widely used, but the 485 bus information materials on the description is very general, such information on the 485 made a detailed presentation and have applied the case of columns, I believe that friends are very practical for

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)

modbus的51单片机程序,C语言写成的,测试过了-Modbus 51 Singlechip process, C language, and tested the

超声波测距的源代码，已以SPCE61上调试通过。-Ultrasonic Distance Measurement of source code, has been adopted SPCE61 debugging.

CRT驱动IC英文资料,是单片机开发者在开发CRT时的一个重要参考!-CRT driver IC information in English is a single-chip developers in the development of CRT at the time of an important reference!

This a program which performs addition,subtraction,multiplication and division of two 4 bit binary numbers..therefore it is called as 4 bit binary ALU..if u have any doubt,then mail me at prem_bombay@yahoo.co.in -This is a program which performs addition,subtraction,multiplication and division of two 4 bit binary numbers..therefore it is called as 4 bit binary ALU..if u have any doubt,then mail me at prem_bombay@yahoo.co.in