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Ding Dong Generator
Module - Assembled
| This unit
uses an advanced IC which has been pre-programmed to create a
realistic “Ding Dong” sound. Once its push button switch is pressed
it produces a “Ding Dong” sound effect twice. It is a useful unit
having many applications such as door bells, alarms, telephone ring,
clocks, timers, shop entrance bell, etc. |
Specifications:
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Supply
voltage: 3V DC / 50mA
Includes 2 x
AA size battery holder
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