cold light source products controller HT48R series and HT48E Series

LED条屏显示程序,但是对初学者，尤其是苦于类似毕业设计的人应该有些帮助。 -Article LED screen display program, but for beginners, in particular, suffer from a similar design should be graduating from some help.

仪器仪表键盘显示模拟系统，用AT89S52芯片作为系统的CPU，控制系统的按键及显示器部分。用8路同相三态双向总线收发器74LS245芯片驱动LED。4X4矩阵键盘作为系统人机交互的重要部分，用于向单片机应用系统输入数据或控制信息，设计4X4矩阵键盘分别对应键码“0-F”。系统可以实现的基本功能包括开机LCD液晶屏幕显示“大专05电子信息X班XXX毕业设计”信息；按下任意一个按键，LCD液晶屏幕显示相应按键的信息。在基本功能的基础上还增加了一个扩展功能，即增加一个LED数码管同步显示相应键码-Show the simulated keyboard instrumentation systems, using AT89S52 chip as a system CPU, system control buttons and display parts. With 8-phase three-state bidirectional bus transceiver 74LS245 chip-driven LED. 4X4 matrix keyboard system as an important part of human-computer interaction, single-chip microcomputer application system used to input data or control information, the design of 4X4 matrix keyboard key code corresponding to

一个在8051F120上实现的免费的实时系统-a 8051F120 in achieving the free real-time systems

单片机 时钟程序,包含秒表，闹钟，时间三个功能-MCU clock.c

中断触发的串口收发程序，可以检测按键，并且用四位数码管显示接收到的前四位代码，有详细的注释-Interrupt-triggered serial transceiver program can detect key, and LED display with four of the top four received the code, contains a detailed comment

AD7705是16位模数转换器件 此程序为其驱动程序-AD7705 ADC is 16 pieces of this program for its drivers

spi总线的模拟程序,可以实现单片机的spi传输-spi bus simulation program, you can realize spi SCM transmission

用单片机产生Pwm来控制电机的硬件和软件设计，欢迎下载！-MCU Pwm to produce motor control hardware and software design, welcome to download!

Barcode source for scaner barcode

单片机做的小键盘，单片机模拟ps2接口的程序-Singlechip make a small keyboard, single-chip analog interface procedures ps2