Two thousand minute timer schematic diagram
Source: InternetPublisher:方世玉223 Keywords: Power switch voltage regulator Updated: 2020/04/01
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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