Audio Mixer Circuit using a Single Transistor is an small and easy circuit which mixes three sounds. It uses only one transistor which can mix two or three sounds into one. It is good for beginners who want to learn about sound and electronics Circuit Working: Parts List: Category Description Quantity Resistors 2.2k CFR 1 […]
Simple 220V AC Light Dimmer Circuit
This post teaches how to make Simple 220V AC Light Dimmer Circuit for home lights. With this dimmer we can make light more or less bright by turning off current slowly. Working with high voltage is not safe. Good electrician should fix this in house and only do if big person is watching. New people […]
Simple Electronic Fishing Lure Circuit
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 […]