Electronic code lock design

采用UART方式0与LM74通信。 用C8051f020的P0.7作片选，主机通过TXD发送时钟信号，实现同步通信,半双工.RXD 作双向数据线.用六位数码管显示LM74采集的温度值-The use of UART communication mode 0 and LM74. P0.7 used for the C8051F020 chip select, host TXD sent through the clock signal, to achieve synchronous communication, half-duplex. RXD for bi-directional data line. With six digital tube display LM74 temperature collected

freescale crc模块驱动 经调试，可正常工作-freescale crc driven by the debug module can work properly

一个以PDIUSBD12为USB控制器件的应用例程。-PDIUSBD12 a USB device control routines.

C:CypressUSBExamplesFX2重要的实验程序cypress官方提供模版ezusb-C: CypressUSBExamplesFX2 important experimental procedures cypress official template ezusb

用c51的isp串行下载-with the serial download isp

NXP P89V51 PGA硬件生成 PWM 程序... -NXP P89V51 PGA hardware to generate PWM process ...

enc28j60的驱动， 通过ping命令来测试enc28j60是否连同 -enc28j60 drive through ping command to test whether or not together with enc28j60

示例程序下载关于单片机接上-download examples of SCM connected

AVR单片机的MP3方案，解码芯片为VS1003-AVR MCU MP3 program, decoder chip for VS1003

交通灯,可控制行人过马路的时间,有protues图和c语言程序-Traffic lights, pedestrian crossing the road to that time, protues map and c language program