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An electronic buzzer works show

2017-08-15 13:08  
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Below is a schematic showing an electronic buzzer. With text to understand the schematic diagram will be more efficient to understand oh. This very simple circuit using only a few resistors, capacitors and easy access to the timer circuit 555. 555 is set to a non multivibrator running a frequency of approximately 1 khz, produces a shrill noise when turned on. Frequency can be changed by changing the 10 k resistor.

A simple electronic buzzer

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