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5PCS DIY KD9561 Voice Module 4 Kind of Alarm Sounds CK9561 Electronic KIT

In stock
Connection types: Whistle alarm : K1=NC K2=NCFire alarm : K1=1 K2=NC Ambulance voice : K1=0 K2=NC Machine guns sound : K1=(any) K2=1 Smaller R = faster soundSpeaker 8 Ohms / 0.5WTransistor NPN / S8...
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Connection types:
Whistle alarm : K1=NC K2=NC
Fire alarm : K1=1 K2=NC
Ambulance voice : K1=0 K2=NC
Machine guns sound : K1=(any) K2=1

Smaller R = faster sound
Speaker 8 Ohms / 0.5W
Transistor NPN / S8050 OR 2N2222

NC:Not Connected

Package Included:
5PCS DIY KIT KD9561 Voice Module 4 Kind of Alarm Sounds
Instructions/schematic/Other parts are NOT included. We don't provide technical assistance please make sure that you are familiar with the product before purchasing.

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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

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