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 […]
Simple Logic Probe Circuit using Transistors
This article for Simple Logic Probe Circuit using Transistors tell how to make one useful tool called voltage tester. It uses two transistors for checking if some place in circuit have positive voltage. When it find electricity it makes beep sound and small light turns ON. People who want to learn electronics, this tool will […]
9V to 300V Converter Circuit
This smart design for 9V to 300V Converter Circuit changes a small 9V battery power into big 300V power. It uses only one transistor and is very simple and easy for one to try. This circuit is good for learning and for small projects. What is a 9V to 300V Converter: A circuit called as […]
Simple Metal Detector Circuit
This article show a special trick to make a Simple Metal Detector Circuit It uses simple circuit not like other circuits and needs only one transistor. The circuit find metal by catching signal from a normal radio. What is a Metal Detector: Metal detector is electric circuit made to check if metal is close or […]
Simple Beat Frequency Oscillator (BFO) Circuit
Simple BFO circuit is small electronic circuit which make signal sound when mix with other signal. This circuit help to hear weak radio signal like in old radio or metal detector. It is easy to build and uses one transistor part called a bipolar junction transistor (BJT). What is Beat Frequency Oscillator: BFO are used […]
Noise Limiter Circuit
Did anyone tried to listen a radio but heard too much noise? which was hard to hear, right? This Noise Limiter Circuit tell how to make small circuit which helps remove noise makes radio sound better. Circuit uses transistors like tiny switch to stop bad noise. WARNING: Making electronics are not safe always. Try only […]