In accordance with the requirement of automatic control system, a alarm circuit is developed on 555 time base circuit.
作者针对自动控制系统的要求，采用一片555时基电路开发了一种报警电路。
A kind of totally digitized temperature measuring circuit consisted of 555 time base integrated circuit and MCU and its operation principle are introduced.
介绍了一种以555时基集成电路和单片机构成的全数字化温度测量电路及其工作原理。
A kind of totally digitized temperature measuring circuit consisted of 555 time base integrated circuit and MCU and its operation principle are introduced.
介绍了一种以555时基集成电路和单片机构成的全数字化温度测量电路及其工作原理。
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