Melody Card Happy Birthday COB Module (Battery not included)

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0.14 0.14 0.14 USD

0.14

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SKU : SG13
Quantity on Hand : 521
Skill Level : Assembled and Tested
ROHS Compliant

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BC-100m


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Description: A 1.5V LR41 battery (not included) Complete Card Melody Unit- 'Happy Birthday' Melody IC COB, battery and piezo all ready to play. As found in Christmas cards and books which play when you open the page. Self-adhesive backing. Tune repeats continuously while power is connected. Total of 128 notes. Cmos LSI chip in small chip-on-board PCB. There could not be fewer external components! The LR41 battery in the unit is expired and must be replaced with a fresh battery (not included) 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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