Two thousand minute timer schematic diagram
Source: InternetPublisher:天天都吃好吃的 Keywords: Power supply other power circuits Updated: 2021/08/04
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:
![Two thousand minute timer schematic diagram](http://www.eeworld.com.cn/circuit/upload/21201b0b8ae6d5088bc65d4fe6552f7d/fd84d462b7b37076b9fa9534399f3b21.jpg)
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