This Simple RF Field Strength Meter Circuit show how to make device to measure radio wave! Radio and mobile phone both use radio wave and this signal we cannot see. This thing are helpful for radio fans, engineers and new people. They can check how strong signal is in different area. They also can use […]
AVC Automatic Volume Control Circuit
This AVC Automatic Volume Control Circuit work like auto volume knob. It hears the sound coming like music or talking and then change volume by itself. If music is played low then it makes little louder. If music is very loud then makes it little quiet. This helps because there is no need to change […]
Slow Start, Fade Lamp Dimmer Circuit
This article for Slow Start, Fade Lamp Dimmer Circuit show how to make light dimmer switch. Light becomes slowly bright when turn ON and goes slowly dark when turn OFF. This type of circuit looks very nice for bedroom or living room. Circuit Working: Parts List: Category Description Quantity Resistors (All resistors are 1/4 watt […]
Infrared Wireless Headphone Circuit
Anyone can make its own wireless headphones using this Infrared Wireless Headphone Circuit. It sends sound by using infrared light but not with wire. So we can move around easily while listening. We can also control it from far like change volume or songs. What is a Infrared Headphones Receiver Circuit: Main job of infrared […]
Stabilized Adjustable Power Supply 0-15V/5A Circuit
This article for Stabilized Adjustable Power Supply 0-15V/5A Circuit tell us about how to make special power supply circuit. It can give voltage from 0 to 15V. Also it can run many electric devices because it give 5 amp current. One more good thing is this power supply stays stable. Voltage does not changes much […]
Anti Corrosion Free Liquid Level Sensor Circuit
This Anti Corrosion Free Liquid Level Sensor Circuit show how to make sensor for checking water level in tank or container. It send small electric signal and uses some metal pins to know if water touches them or not. No strong chemical is used in this circuit so metal do not get rust or damage. […]