This paper introduces the design of counting and timing device for automated beer packing with PTC 8253-5 .
本文介绍了用PTC8253 -5 实现机加零件自动包装计数定时的设计,给出了硬件电路和软件程序.
Disclosed is a timing device for opening coal stove door, comprising a furnace door wind screen ( 5) and a connecting rod raising mechanism.
一种家用煤炉定时开门装置。本开门装置由炉门挡风板(5)及连杆提升机构组成。
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