frequency
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Basics
Electronic Mosquito Repellent Circuit
Mosquito repellent such as coils, mats, liquid vaporizers, and creams are frequently utilised in a variety of settings. They are,…
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Amplifier Circuit Diagrams
100W Subwoofer Amplifier Circuit
A subwoofer is a loudspeaker that delivers low-frequency audio signals. Ken Kreisler invented the first subwoofer amplifier in 1970. Its…
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Sensors - Tranducers Circuits
Reverse Parking Sensor Circuit
It can be tough to assess distance when parking a car if you are a new driver. The reverse parking…
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Frequency multiplier
Frequency Counter Circuit
In this project, I’ll develop and demonstrate a simple Frequency Counter Circuit that can be used to determine a signal’s…
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Radio Circuit Diagrams
FM Radio Circuit
The FM Radio circuit is a basic circuit that can be locally tuned to the desired frequency. The FM radio…
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Amplifier Circuit Diagrams
Preamplifier for RF Sweep Generator Schematic Circuit Diagram
The RF sweep frequency generator (‘wobbulator’) published in the October 2008 issue of Elektor has a receiver option that allows…
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LCD-LED Display
RGB Lights Schematic Circuit Diagram
The overall effect produced by this project is a glowing sequence of lights changing slowly from one colour to the…
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Frequency multiplier
Temperature Sensor with 2-Wire Interface Schematic Circuit Diagram
When designing a precision outdoor temperature sensor it is a good idea to electrically isolate the sensor from the signal…
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Motor Circuit Diagrams
Simple D/A Converter for Robots Schematic Circuit Diagram
Sometimes it’s necessary to add a D/ A converter to a microcontroller for a specific application. This can be fairly…
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Oscillators Circuit Diagrams
1:800 Oscillator Schematic Circuit Diagram
Oscillators are ten a penny, but this one has something special. Its frequency can be adjusted over a range of…
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