7 segment driving with 74164 with atmel

基于74164的IO口拓展8个LED显示-8 LED display based on 74,164 of the IO port expansion

51单片机驱动74164作显示的双定时电子钟，带设定时间存储功能和继电器输出，可控制电饭煲等大功率家电的启停，内有PROTEUS仿真。-51 74164 microcontroller driven timing for dual display electronic clock, set the time with memory function and relay outputs can control the start and stop large appliances such as