本文介绍一种SCR整流埋弧自动焊机电源及送丝控制，单片机应用系统。
The SCR Rectifier Auto-SAW power source and wire feeder with single chip computer control is introduced in this paper.
单片机在步进电机电源部分控制中的应用，使步进电机能实现运行、调速及细分运行，并能提高设备运行的精度和平稳性。
They can make step motors run normally at an adjustable speed and in a subdividing running way and improve the precision and smoothness of the equipment.
本稳压电源可作为TTL电路或单片机电路的电源。
This manostat can serve as a TTL circuit or MCU circuitry of power sources.
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