Electronic circuits & Projects

Wind Sound Effects Generator

ElectroSchematics.com — Tue, 07 Sep 2010 11:41:58 +0000

This wind sound effect generator circuit perfectly imitate the noise of the wind. Transistor T1 is connected as a Zener diode and will provide a noise signal to T2. The amplified signal by T2 is led to a frequency selective amplifier built with 741. With potentiometers P2a/P2b/P2c you can adjust the middle frequency of the [...]

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Wind Sound Effects Generator

Sound effects circuit This sound effects circuit is designed to work as a...
Sound Generator: The Old West Sounds This sound generator circuit will produce 6 sound effects from...
Sawtooth Generator Circuit This sawtooth generator circuit is used as a musical sound...

Security Light & Switch with PIR Sensor

T.K.Hareendran — Mon, 06 Sep 2010 08:24:46 +0000

Moderately priced Passive Infrared (PIR) Sensor modules are now widely available. By using these readymade and pre-configured PIR sensors, even an average electronics hobbyist can construct his/her own Motion Sensor Unit. The one evening project presented here is based on a common and very popular PIR module SB0061, priced below $ 7. SB0061 is a [...]

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Security Light & Switch with PIR Sensor

Motion Sensor Switch for alarm, light or water sprinkler The Motion Sensor Switch circuit is a motion sensor controlled...
Wireless light switch You may use this wireless light switch instead of physical...
IR Switch Here is a Simple Infrared controlled Switch. It can be...

Top 10 Electronic Circuits August 2010

ElectroSchematics.com — Sun, 05 Sep 2010 07:50:15 +0000

It’s time for the Top 10 Electronic Circuits for August 2010. We are glad that you like the electronic articles posted on the electroschematics.com’s website and will do the best to bring you the best electronics related informations, circuits, projects and designs. August 2010 Top 10 Electronic Projects & Circuits DIY alarm light gate This [...]

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Top 10 Electronic Circuits August 2010

Top 10 Electronic Circuits January 2010 It’s time for the Top 10 Electronic Circuits for January...
Top 10 Electronic Circuits February 2010 It’s time for the Top 10 Electronic Circuits for February...
Top 10 Electronic Circuits March 2010 It’s time for the Top 10 Electronic Circuits for March...

PC Watcher | Turn On and you’ll hear the Alarm

ElectroSchematics.com — Sat, 04 Sep 2010 14:44:38 +0000

This little PC Watcher circuit will help you to prevent unauthorised access to your personal computer. After construction on a small piece of veroborad, enclose the whole circuit in a tamper proof plastic box and connect its input to a vacant USB port at the rear of your Desktop PC, using a standard USB cable.Now [...]

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PC Watcher | Turn On and you’ll hear the Alarm

Door Timer with Alarm We are in a digital era! Now we can add...
Timer with alarm This simple alarm timer circuit is made with 4060 which...
Bike Guard Alarm Circuit This Simple circuit can be used to Guard your bike...

Top 10 Electronic Circuits July 2010

ElectroSchematics.com — Sat, 04 Sep 2010 13:49:35 +0000

It’s time for the Top 10 Electronic Circuits for July 2010. We are sorry for the delay. We are glad that you like the electronic articles posted on the electroschematics.com’s website and will do the best to bring you the best electronics related informations, circuits, projects and designs. July 2010 Top 10 Electronic Projects & [...]

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Top 10 Electronic Circuits July 2010

Top 10 Electronic Circuits February 2010 It’s time for the Top 10 Electronic Circuits for February...
Top 10 Electronic Circuits May 2010 It’s time for the Top 10 Electronic Circuits for May...
Top 10 Electronic Circuits June 2010 It’s time for the Top 10 Electronic Circuits for June...