Fridge door Alarm works in prctl????

ScottWang

Joined Aug 23, 2012
7,411
If remove the Bz1 and in series between c(Q1) and +V(bat) is better, and e(Q1) connecting to Ground.

Also you may need a small trim pot in series with R1 to do the adjustment for the sensitivity, and the R1 maybe need to reduce some values.
 
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