Maker Pro

Burglar Alarm Kit dosnt sound

Martaine2005

May 12, 2015
4,932
Joined
May 12, 2015
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4,932
Hi, have you double checked 'polarities' of components? Make sure there is no solder bridge too.
If you have done everything correctly, there is a chance that you have a faulty component from the factory.
What is the voltage output to the buzzer?
Martin
 
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