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Touch lighting delayed light off circuit 4
Source: InternetPublisher:王达业 Keywords: Touch type delayed lights off Updated: 2021/12/07
(4) Touch lighting delayed light off circuit No. 4
xs-Ⅱ touch switch circuit is shown in Figure 2-59.
This circuit has the following characteristics: if you touch the conductive sheet M Is, the light
will be on for 1 to 2 minutes; if you touch it for 2 seconds, the light will be on for 3 to 4 minutes; if you touch it for
4 seconds, the light will be on for 5-6 minutes. This is due to the different charging voltages of capacitor C.
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