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Newly Updated Circuit Projects:

3 Easy Capacitive Proximity Sensor Circuits Explored

Last Updated on January 19, 2025 by Swagatam 61 Comments

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In this post I will comprehensively discuss a 3 basic proximity sensor circuits with many application circuits and detailed features of the circuit. The first two capacitive proximity sensor circuits uses a simple IC 741 and IC 555 based concepts, while the last one is a bit more accurate and incorporates a precision IC PCF8883 […]

Filed Under: Sensors and Detectors Tagged With: Capacitive, Circuits, Easy, Explored, Proximity, Sensor

3 Best Transformerless Inverter Circuits

Last Updated on January 19, 2025 by Swagatam 270 Comments

3000 watts

As the name suggests, an inverter circuit that converts a DC input into AC without depending on an inductor or a transformer is called a transformerless inverter. Since an inductor based transformer is not employed, the input DC is normally equal to the peak value of the AC generated at the output of the inverter. […]

Filed Under: Inverter Circuits Tagged With: Best, Circuits, Inverter, Transformerless

3 Basic Capacitor Functioning and Working Explored

Last Updated on January 19, 2025 by Swagatam 21 Comments

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In this article I have explained 3 popular functions of capacitors and how to use capacitors in electronic circuit by analyzing their appropriate working modes depending on the application need of a given circuit stage Introduction Seen those colorful, cylindrical and chocolate shaped parts on a PCB? These may be actually the capacitors of different […]

Filed Under: Electronics Theory Tagged With: Basic, Capacitor, Explored, Functioning, Working

3 Automatic Fish Aquarium Light Optimizer Circuits

Last Updated on January 19, 2025 by Swagatam 3 Comments

solarfishaquariumlightoptimizercircuit

In this post I have explained a 3 beautiful fish aquarium light optimizer circuits your fishes will love. These are designed to automatically control the illumination of a group of appropriately selected LEDs with respect to the varying daylight and after darkness sets in. The first idea was requested by Mr. Amit 1) Sun light […]

Filed Under: Lamps and Lights Tagged With: Aquarium, Automatic, Circuits, Fish, Light, Optimizer

3 Accurate Refrigerator Thermostat Circuits – Electronic Solid-State

Last Updated on January 19, 2025 by Swagatam 31 Comments

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Interested to make an accurate electronic thermostat for your refrigerator? The 3 unique solid state thermostat designs I have I have explained in this article will surprise you with their “cool” performances. Design#1: Introduction The unit once built and integrated with any relevant appliance will instantly start exhibiting an improved control of the system saving […]

Filed Under: Temperature Controllers Tagged With: Accurate, Circuits, Electronic, Refrigerator, Solid, Thermostat

3 Accurate Infrared Intruder Alarm Circuits using Photodiodes

Last Updated on January 19, 2025 by Swagatam 31 Comments

IR transmitter

In this post I have explained 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 two modules are aligned in line at a distance of around 2 meters within the restricted area. When a burglar tries to […]

Filed Under: Security and Alarm Tagged With: Accurate, Alarm, Circuits, Infrared, Intruder, Photodiodes

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