Monthly Archives: December 2011

Simplest FM Transmitter


Simplest Fm Transmitter! This is the simplest fm transmitter circuit you can ever find on internet,because so many “simple transmitters” (they call it simple but many of them don’t work!) on internet will not work as those circuits are designed … Continue reading

Posted in DIY-electronics, Radio(RF, useful | 41 Comments

Unsolved Mysteries:The taos hum


The Taos Hum Do you hear that strange hum that just will not go away? Chances are if you live in the Southwestern United States or parts of Britain you do. This is a phenomenon being called The Taos Hum. … Continue reading

Posted in Mysterious world | Leave a comment

IR(infrared) transmitter tester(New version)


IR(infrared) transmitter tester V2.0 The first version of this circuit can find Here. This new version is perfect because it includes a buzzer to produce a “beep” sound and an LED flash when you point and press a

Posted in DIY-electronics, Infrared, useful | Leave a comment

Automatic White LED Lamp


Automatic LED lamp I assume that you are already familiar with automatic emergency lights or street lights that will automatically turn on when the sun sets and will turn off automatically when the sun rises,those circuits all work with a … Continue reading

Posted in 555 Timer, DIY-electronics, LEDs, white LEDs (lighting) | Tagged , | 2 Comments

New battery technology for 10x longer battery life!


New battery technology will allow for devices with 10x longer battery life Do you think the 10-hour battery life on your iPad 2 is impressive? Imagine 100 hours of battery life, it may not be that far off. That’s what … Continue reading

Posted in Tech news | 3 Comments

Spy20 High Definition (HD) Spy Watch!


Spy20 High Definition (HD) Spy Watch! Want to become a famous spy like some well known spies of the world ? Nah! Just kidding. I just want to review this Spy gadget called Spy20 which is a waterproof HD spy … Continue reading

Posted in Tech news | Tagged , , | 1 Comment

Finger Powered Mobile Phone Battery Charger!


Finger Powered Mobile Phone Battery Charger A mobile battery that could be charged by spinning it around your fingers! (It reminds me of the time when i was having fun spinning my audio cassette tapes around my fingers trying to … Continue reading

Posted in Tech news | Tagged | 5 Comments