Re: Piezo tester


The next time you retire a smoke alarm, remove the buzzer and the 9V
clip before you throw it out. two small alligator clips and a few
inches of wire make a perfectly sufficient buzzer; for most small
layouts, it directly takes the place of the DCC booster whenever wiring
or debugging. For larger layouts, it needs to connect at the output
from district management blocks (like the PM42).

Just stay out of the ionization source module.

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