One kind of stepping motor control card based on ISA bus of PC which achieved multi-spindle linkage control is introduced, its principle and design of hardware construction and software are discussed.
介绍了一种基于PC机的IS A总线步进电机控制卡，实现多轴联动控制，讨论了其工作原理和硬件结构设计、软件设计。
The systematic hardware circuit construction principle and the software realized methods of PC, SCM and Bluetooth module HCI interface are proposed.
给出了系统的硬件电路结构原理，PC、单片机与蓝牙模块hci接口的软件实现方法。
This paper fully describes the filling process and introduces the structure, performances and operation principle of ModeI PC-1 thrower.
本文全面地介绍了碎石混凝土抛掷充填工艺，并阐述了PC - 1型抛掷机的结构、性能和工作原理。
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