The following article explains two straightforward dummy load circuits: the first one can be used for testing high current power supplies, and the second design can be used for testing […]
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How to Make a Shunt Resistor
A shunt resistor is a very low value, high wattage resistor which is connected in parallel to a low range meter, so that it helps the meter to substantially increase […]
Field Strength Meter Circuit
A field strength meter is an electronic device which is used for detecting and measuring the RF radiation generated from any RF transmitter circuit. As we all know that transmitter […]
3 Accurate Infrared Intruder Alarm Circuits using Photodiodes
The post explains 3 simple yet accurate infrared intruder alarm circuits using an infrared transmitter and an infrared receiver module. The transmitter and the receiver photo diodes used in the […]
Police/Ambulance Siren Circuit with Rotating Beacon Light
In this post we are going to learn how to construct a police, ambulance or a fire truck siren circuit using evergreen IC 555 timer and we will also learn […]
Inductor Working and Designing, with Formulas
In this post we learn all the basics of inductors, its working principle, and how to design inductors with the help of formulas and calculations. Inductors are vastly used from […]