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> 10 pcs. 20MM piezo discs / buzzers / midi drum triggers
10 pcs. 20MM piezo discs / buzzers / midi drum triggers
Ten pack of 20mm mini brass piezoelectric discs. These are heavy-duty piezos with a slightly thicker brass resonating disc than my 27mm piezos. Perfect for using as touch-sensors, electronic drum triggers, transducers, buzzers, or making your own contact mics. To use, simply solder positive to the center and ground to the brass disc. The actual piezoelectric material in the center of the brass resonating disc measures about 13mm.
