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  • Author Author: RWM
  • Date Created: 25 Oct 2011 12:42 PM Date Created
  • Views 869 views
  • Likes 0 likes
  • Comments 0 comments
  • ne555
  • piezo
  • sound
  • generator
Related
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Simple NE555 piezo sound generator

RWM
RWM
25 Oct 2011

Description

Minimalistic NE555 design - simple sound generator using only one piezo element (membrane) to generate sound and one potentiometer to change frequency (besides NE555 and battery). Switch can be used to learn Morse code transmission.

 

Schematics

 

 

 

image

Piezo transducer acts as capacitor and potentiometer R1 as resistor in simple RC generator. Simultaneously piezo transducer acts as speaker. Frequency can be changed using R1.

Picture

 

image

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