This article of Simple ESR Meter Circuit show how to make one tool for checking capacitor in phone, laptop and other device. Capacitor work like small battery and it keep some power inside. We can find bad capacitor without removing it from circuit board and for that we need to use one tool called ESR […]
TV, Video Transmitter Circuit
This is one TV, Video Transmitter Circuit It can send video from DVD, camera, or other device to old TV in our house. We do not need big parts or hard things. Just small circuit and little care is all we need. This type of circuit is good for fun or learning. Circuit Working: Parts […]
220V Power Line Communication Remote Control Circuit
220V Power Line Communication Remote Control Circuit is simple remote control circuit. It uses 220V power line to send signal. There is no need of extra wire. This circuit is good for use at homes and short distance because signal uses high frequency of about 5 kHz and is not same like normal electric of […]
FM Transmitter Circuit (100 meters range)
Do anyone want try make its own small radio station? This post show how to build a easy and FM Transmitter Circuit (100 meters range) It works between 87.5 to 108 MHz on FM radio. Transmitter uses simple circuit with special transistor and antenna to send our signal. This one is different from other small […]
LED Strobe Light Circuit
This article show how to make one LED Strobe Light Circuit which uses famous chip named IC 555. Some knobs and resistors are used to control how much light and how fast it blink. One resistor also control the power which connects to LED. This project uses one special switch and this switch can handle […]
Simple High Voltage Generator Circuit
Anyone can learn how to make a Simple High Voltage Generator Circuit and this generator makes a very high frequency power. This article tell how to build this type of circuit . These things are not easy with normal power supply. One good thing of this high frequency power is that it does not give […]