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Making a Float Switch Circuit for a Corrosion-free Water Level Control

Last Updated on December 31, 2019 by Swagatam 13 Comments

A float switch is a device which detects a fluid level (such as water) and activates a set of contacts which may be further integrated to a control circuit for […]

Filed Under: Water Level Controller

Float Switch Controlled Water Level Controller Circuit

Last Updated on April 13, 2022 by Swagatam 19 Comments

The post narrates a simple water level controller circuit using a float switch mechanism. The idea was requested by Mr. tpraveenraj. Technical Specifications I’m a electronic hobbyist from software field. […]



Filed Under: Water Level Controller

Reed Switch – Working, Application Circuits

Last Updated on April 29, 2020 by Swagatam 9 Comments

In this post we comprehensively learn about reed switch functioning, and how to make simple reed switch circuits. What is Reed Switch Reed switch also called reed relay, is a […]

Filed Under: Electronics Tutorial

Ultrasonic Smart Automatic ON/OFF Switch Circuit

Last Updated on November 7, 2019 by Swagatam 13 Comments

In this article we are going to build a smart automatic ON/OFF switch using Arduino, which can turn on or off gadgets automatically by sensing the presence of human nearby […]

Filed Under: Home Electrical Circuits, Ultrasonic Projects

Make this Geyser Water Heater Timer Circuit with Automatic Switch OFF

Last Updated on July 6, 2019 by Swagatam 8 Comments

In this post we study a simple water heater timer controller circuit which can be used in bathrooms for automatically switching OFF a geyser or a water heater unit after […]

Filed Under: 4060 IC Circuits, Heater Controllers

4 Automatic Day Night Switch Circuits Explained

Last Updated on April 30, 2022 by Swagatam 46 Comments

The 4 simple light activated day night switch circuits explained here can all be used for controlling a load, normally a 220V lamp, in response to the varying levels of […]

Filed Under: Sensors and Detectors



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