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Two thousand minute timer principle circuit diagram
Source: InternetPublisher:JFET Keywords: 555 circuit timer Updated: 2020/08/23
A CD4020B divider is used to separate the 555 timer frequency in the two thousand minute timer schematic diagram. S1 is a range selector switch that provides time intervals from 2 to 20 minutes, 20 to 200 minutes, and 200 to 2000 minutes. Two thousand minute timer schematic diagram:
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