This article for Simple Electronic Fishing Lure Circuit shows how to make electric fishing lure. It uses small buzzer to make sound when fish come. Easy to make and also works very good. Be careful: fishing rules not same everywhere. Before using electric lure check in your country if it is allowed or not. What […]
Simple Lie Detector Circuit using Transistors
Have fun making this Simple Lie Detector Circuit using Transistors. Real lie detectors are very hard and complicated so this one is not perfect. But it is fun way to see how body react when stress. This circuit works by checking sweat changes to know if someone tell truth or lie. When people are scared […]
Simple RF Sensor without Battery Circuit
This article for Simple RF Sensor without Battery Circuit show how to make small tester with no battery. It help check if radio transmitter is working or not. The tester get power from radio waves which is sent through transmitter. If transmitter works LED light will blink to show it. What is a RF Sensor […]
Induction Heater Circuit
This article for Induction Heater Circuit teaches us how to make one circuit. This circuit make iron things hot using magnet. We call this thing “induction heating.” WARNING: Making this circuit with big current and voltage is dangerous. Do only with adult watching and use good safety gear. Not good project for new people. What […]
Echo Effect Generator Circuit
This Echo Effect Generator Circuit tell how to make circuit for echo sound in music. Transistors like BC547 are used because they make music sound like echo in big space. What is an Echo Effect Generator Circuit: To make echo sound in audio we have used special electric circuit called echo effect circuit. This circuit […]
Simple Universal Signal Generator Circuit
If we want to make sound generator circuit for cheap? Then this post for Simple Universal Signal Generator Circuit show easy way to build using transistors. These type of circuits are good for: We can make this circuit at a very low cost. What is a Universal Signal Generator Circuit: Universal Signal Generator circuit is […]