Showing posts with label button. Show all posts
Showing posts with label button. Show all posts
Monday, December 2, 2013
Pressed Button Sound Indicator
sing this electronic scheme can be made an electronic circuit that allows a sound indication for a button.The circuit is based on a 7555 integrated timer (CMOS version of the well-known ment 555) is connected as a multivibrator astabil .His output is a rectangular pulse with a frequency of 700 Hz, which is used to control a small buzzer.
Pressed Button Sound Indicator Schematic
Pressed Button Sound Indicator Schematic
The circuit will oscillate be prevented if pin 4 of integrated circuit is connected to 0 V.
Subscribe to:
Posts (Atom)