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Proximity

Proximity Detector using Hall Effect Sensor Circuit

Last Updated on April 14, 2023 by Swagatam Leave a Comment

hall effect proximity sensor circuit

This proximity detector circuit uses a Hall effect sensor to detect the approach of a magnetic object, such as a magnet fixed to the frame of a door. The application is simple, but widely used. The use of a Hall effect sensor solves many problems that arise when one wants to detect the opening of […]

Filed Under: Sensors and Detectors Tagged With: Detector, Effect, Hall, Proximity, Sensor

4 Simple Proximity Sensor Circuits – Using IC LM358, IC LM567, IC 555

Last Updated on January 2, 2024 by Swagatam 87 Comments

IMG 20171004 170951

Video Demonstration An IR proximity sensor is a device which detects the presence of an object or a human when it is within a predetermined range from the sensor, through reflected infrared beams. Three useful proximity sensor concepts are explained here, the first concept is based on an ordinary opamp LM358, the second one using […]

Filed Under: Sensors and Detectors Tagged With: Circuits, LM358, LM567, Proximity, Sensor, Simple

3 Easy Capacitive Proximity Sensor Circuits Explored

Last Updated on January 19, 2025 by Swagatam 59 Comments

features 1

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

Proximity Detector IC CS209A Pinouts – Datasheet Explained

Last Updated on January 8, 2024 by Swagatam Leave a Comment

cs 1

In this post I have explained the main specifications and pinout functions of the IC CS209A along with other technical aspecst of the chip. Introduction The device CS209A is a bipolar monolithic IC specifically designed for metal detecting circuit applications. The IC fundamentally has a built-in oscillator stage, a couple of current regulator stages, a […]

Filed Under: Datasheets and Components Tagged With: CS209A, Datasheet, Detector, Explained, Pinouts, Proximity

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