Melody Card Telephone Ring COB Module
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Description: Complete Card Melody Unit- 'Telephone Ring' Melody IC COB, battery and piezo all ready to play. As found in Christmas cards and books which play when you open the page. There could not be fewer external components! Tune in this unit: Telephone Ringing sound.
Duration 8.8 seconds.
Melody repeats continuously while power is connected.
Cmos LSI chip in small chip-on-board PCB.
1.5V battery and direct drive to piezo speaker included
Melody already programmed in ROM.
Modify the switch or add your own.
Output to an amplifier.
The ideal building block for door bells, alarms etc.
Ready to play!