In this post I have explained a simple water sensor with pump starter circuit for switching a pump motor during municipal water supply periods. The idea was requested by Mr. Hitesh Thapa. Technical Specifications Is it possible to make a automatic water pump starter which turns On only when the city supply line has water […]
Newly Updated Circuit Projects:
Make this Insect Wing Signal Detector Circuit
In this article I have explained a VLF receiver circuit used for detecting insect wing beat signals, the idea was investigated and built by Mr. Steven Chiverton. Insect Wing Triggered ELF An incredibly fascinating electrical outcome successfully identified with the VLF are wing sounds triggered when bugs like bees, flies, and mosquitoes fly within a […]
Free 200 Volts Just Above your Head
Lightning in skies is the phenomenon which proves beyond doubt that free electrical energy could be there in abundant quantities all around us. Warning: The concept I have explained in this article has not been verified by the author. Readers are advised to read and proceed at their own discretion. Power of Thunder Lightening A […]
Cellphone Display Light Triggered Remote Control Circuit
In this post I have explained a cell phone remote control circuit using the light from its display. The idea was requested by Dondon. Technical Specifications I need a circuit similar to the circuit above but I will use the LED of mobile phone as light source so I can turn ON and OFF the […]
How to Test a MOV (Metal Oxide Varistor) Surge Protector Device
In this article I have explained a set up for testing MOVs which are special devices specified for absorbing instantaneous high surge currents that may accidentally occur in our mains electrical lines. The idea was requested by Mr. Kevin Technical Specifications I’m Kevin Montañez, a university Electrical Engineering student here in Cebu, Philippines. As I […]
PIR Ceiling Fan Controller Circuit
In this post I have explained a simple automatic PIR controlled ceiling fan circuit for school college use, which responds and switches ON only in the presence of a human (students) in the classroom. The idea was requested by Mr. Souren Bhattacharya. Technical Specifications I am, souren bhattacharya, a high school teacher in west bengal. […]