How to Make a Rechargeable Dual Voltage Power Supply

Mod a 9V rechargeable battery to give you +3.6V, Ground and -3.6V. You will appreciate this idea if you ever had to clob...

How to Make a night vision camera

                                         How to Make a night vision camera This video shows you how to make a night vision camera...

Science Project Mobile Phone Detector

                 Science Project Mobile Phone Detector A mobile phone detector can be used to detect mobile phone call. In this video M...

Biometric Sensors – Types and Its Working

The word biometric is derived from the Greek words bio and metric. Where bio means life and metric means to measure. Biometrics are us...