Using Fusion 360 for the two-part 3d-printed enclosure, this (electrically)
simple project contains 8*AA batteries (12V), a DPDT on/off/on switch, a
wireless relay module/remote, a LOUD two-tone piezo buzzer and a
volume control potentiometer.
Remotely Controlled Alarm: Buzzer Box 3000!
David Scholten wrote 09/02/2021 at 07:11
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