Re: Beckman Industrial 320B
You could try soldering in a larger piezo beeper - failing that a transistor (one side to the battery + the other the beeper output driving something a bit larger could be an idea?
Could go as loud as a smoke alarm sounder if you wanted with that one!
You could try soldering in a larger piezo beeper - failing that a transistor (one side to the battery + the other the beeper output driving something a bit larger could be an idea?
Could go as loud as a smoke alarm sounder if you wanted with that one!

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