Siren

201

01:51:42

Simply using 555 different frequency siren

published 4 years ago

wyoelk

4 years ago

Sometimes sirens have a longer up and down sequences and some require two 555 ic's to produce emergency vehicle type sounds. There are many theories on proper connections of a potentiometer. But, this explains the basics and different types of potentiometers. http://www.learningaboutelectronics.com/Articles/How-to-connect-a-potentiometer-in-a-circuit

ganapathigalaxy

4 years ago

Thank you🙂 i will check it

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