aTmega8驱动CD4021,实际程序为74165程序，在P/S口加反相器。 在实际电路中应注意TTL与CMOS电平转换-aTmega8 drive CD4021, and the actual procedure for the 74165 program, plus the P/S port inverter. TTL and CMOS level conversion should be noted that in the

cd4021 avr单片机proteus仿真-cd4021 simulation with avr mcu

CD4021的用法及其PROTUES的仿真实例，帮助需要的朋友更好的理解学习CD4021。自己感觉很实用哦-The simulation example usage and PROTUES CD4021, to help a friend in need a better understanding of learning CD4021. He felt very practical oh!!