In this post I have explained a simple and effective industrial timer circuit which can be universally used for most industrial and home timer based applications. The idea was requested by Mr. Vasilis K. Technical Specifications I have a question regarding the 4060 ic wired as “one shot timer.” If it can power on the […]
New Circuit Projects
Ultrasonic Weapon (USW) Circuit
In this post I have explained a simple ultrasonic weapon circuit also called USW, using very ordinary parts such as IC 555 and a few other passive components to generate the required ultrasonic ear piercing sound. Controlling Crime with USW With rising crime in today’s society, especially against woman, carrying some sort of effective weapon […]
Bicycle Dynamo Battery Charger Circuit
In this post I have explained a simple constant current bicycle dynamo battery charger circuit which can be used for charging a Li-Ion or Ni-Cd battery from a bicycle dynamo electricity source. The idea was requested by Mr. Saif Khan. Technical Specifications I want to charge a battery through a dynamo fitted to a cycle. […]
Cellphone Low Battery Cut-off with Indicator Circuit
In this post I have explained a simple yet effective low battery cut-off with indicator circuit which can be integrated with cell phone/tablet charger battery packs in order to monitor and avoid battery draining below a set threshold. The idea was requested by Mr. David. Technical Specifications Hi Swagatam. I know it was asked before, […]
Diwali, Christmas 220V Lamp Chaser Circuit
In this post I have explained a simple, compact, 220V, 120V transformerless light chaser circuit which can be used for illuminating 220 V mains operated lamps or bulbs in a sequential chasing manner. Main Technical Features The chasing or running lamp effect can be altered by means of pot controls. The system can be used […]
Sound Activated Automatic Amplifier Mute Circuit
The following article presents a simple sound operated/activated amplifier muting circuit which enables the amplifier to silence itself as soon a voice or an external sound occurs across the detector MIC. The circuit was requested by Mr. Seok Sothea. Technical Specifications I want to make a circuit about voice interrupt music..this circuit consists of two input, audio […]
