Using 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
Other Projects
Various electronic circuits diagrams schematics and electronics projects for hobbyist . Simple circuits , mini projects and electronics projects with diagrams and description .
Automatic turn on off for lights
Using electronic circuit diagram below can be designed a device which turn on and off the light in several rooms in random order.
On Off switch electronic project
An on off switch with a single button can be designed using electronic diagram below. Schmitt trigger output toggles N1 when the switch is closed briefly.
Similar electronics projects circuits with diagrams
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Title: Light dimmer circuit |
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Title: UTC1618 alarm circuit |
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