A new instrument which can measure the phase difference by 8051 microcontroller and LED digital display current driven by MAX7219 is introduced.
介绍了一种主要由8051单片机、MAX7219驱动的LED数码显示电路构成的相位差测量仪。
A method which control the step motor with 8051 microcontroller is introduced, some methods in speed-up and speed-down curve design are compared.
介绍了8051系列单片机对步进电机的控制方法，并且提出和对比了几种步进电机升降速曲线的设计方案。
A method which control the step motor with 8051 microcontroller is introduced, some methods in speed-up and speed-down curve design are compared.
介绍了8051系列单片机对步进电机的控制方法，并且提出和对比了几种步进电机升降速曲线的设计方案。
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