12V PIR Switch with a State-Latch button to run 12V LED

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06:24:41

The state latch will override the signal from the 12V-switching PIR, if the 12V-light is wished to be turned on constantly. Make sure you buy a 12V-PIR that can hold the signal of detected movement for a while or change the size of the capacitor. Otherwise you have a flickering LED. The same circuit I wrote for a 3V-emitting-PIR, which switches by a transistor.

published 11 years ago

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