I have an alarm on my motorcycle that uses a piezo speaker. However, I use a helmet and earphones while riding and cannot hear it well.
Is there some readily available device that would convert the 12 volt DC output to the piezo alarm/speaker to an earphone speaker alarm or chime of some sort? It feeds into an AutoCom (basically, a sound mixer).
Many thanks.
B~
...I can spare a hint...
Let the alarm power the DC alarm device (piezo circuit) and also power an audio oscillator which plugs into your "sound mixer". For example: CMOS NAND oscillator cct. or 555 cct. {Insert many details here} D from BC
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