Melody Card Happy Birthday COB Module
SKU : SG13
Quantity on Hand : 562
Skill Level : Assembled and Tested
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Cmos LSI chip in small chip-on-board PCB. There could not be fewer external components! A 3V battery and direct drive to piezo speaker included. Ready to play! The oscillator is build-in. 128 notes already programmed in ROM. You can modify the switch or add your own. Also you can take the output to an amplifier. The ideal building block for door bells, alarms etc. Tune in this unit: Happy Birthday.
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