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Untitled 25 Jan 2012 | 01:53 am

Hack Facebook Passwords Hack Facebook Accounts For Free You can hack Facebook passwords for free with this hacking tool. We have developed a professional service for you to hack facebook accounts on...

Touch Switch 12 Oct 2011 | 11:34 pm

TOUCH SWITCH This circuit detects the skin resistance of a finger to deliver a very small current to the super-alpha pair of transistors to turn the circuit ON. The output of the "super transistor" tu...

Clap Switch 11 Jul 2011 | 05:53 pm

Clap Switch Sound operated switch using a simple transistor circuit

Dancing Flower on Music 11 Jul 2011 | 05:03 pm

Normal 0 false false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 DANCING FLOWER A motor at the base of the flower had a shaft up the stem and when the microphone detected mus...

Untitled 11 Jul 2011 | 04:50 pm

MAKE THE LIE DETECTOR You can see the video to make the this project http://video.google.com/videoplay?docid=-6022005285504465438&hl=en YOU NEED 3904 (#630117)and 3906 (#630119) transistors One each...

Untitled 8 Jul 2011 | 09:47 pm

MAKE THE LIE DETECTOR New (February 4, 2009) the video instructions my students use to make the this project http://video.google.com/videoplay?docid=-6022005285504465438&hl=en What you need I am prov...

SIMPLE FM BUG 24 Jun 2011 | 08:53 pm

SIMPLE  FM BUG This circuit uses a TUNED CIRCUIT or TANK CIRCUIT to create the operating frequency. For best performance the circuit should be built on a PC board with all components fitted close to ...

SOUND TRIGGERED LED 24 Jun 2011 | 08:44 pm

 SOUND TRIGGERED LED This circuit turns on a LED when the microphone detects a loud sound. The "charge-pump" section consists of the 100n, 10k, signal diode and 10u electrolytic. A signal on the coll...

SPY AMPLIFIER 24 Jun 2011 | 08:29 pm

SPY AMPLIFIER This simple circuit will detect very faint sounds and deliver them to a 32 ohm earpiece. The circuit is designed for 1.5v operation and is available from $2.00 shops for less than $5.00 ...

Light Following robot 24 Jun 2011 | 08:02 pm

ROBOT-1 (Light Follower) A simple robot can be made with 2 motors and two light-detecting circuits, (identical to the circuit above). The robot is attracted to light and when the light dependent resi...

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