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You are here: Home / Archives for Sensors and Detectors

Darkness Activated PIR Lamp Circuit

Last Updated on September 28, 2023 by Swagatam Leave a Comment

A very simple darkness activated or night activated PIR lamp circuit project has been explained in the following article. Further in the article we also learn how to upgrade this […]

Filed Under: PIR (Passive Infrared), Sensors and Detectors

Check What’s Behind the Paint of a Used Car

Last Updated on September 26, 2023 by Swagatam Leave a Comment

Some methods to hide a used car’s external deterioration include filling up rust holes, removing collision dents with putty, fiberglass, or epoxy, and painting the car. The outside condition of […]



Filed Under: Sensors and Detectors

Breath Detector Circuit

Last Updated on September 1, 2023 by Swagatam Leave a Comment

The breath detector circuit explained below can be used to check or monitor the breathing function of a human or patient. Let’s understand the detailed working of the circuit from […]

Filed Under: Sensors and Detectors

Footsteps Detector Circuit

Last Updated on August 1, 2023 by Swagatam Leave a Comment

By sensing vibrations from footfall, a Footsteps Detector Circuit is a creative and affordable approach for catching intruders. It employs a simple setup with a low-cost loudspeaker and a mute […]

Filed Under: Security and Alarm, Sensors and Detectors

Electronic Measuring Tape Circuit using Ultrasound

Last Updated on July 5, 2023 by Swagatam Leave a Comment

Everyone is familiar with the mechanical measuring tape made of wood to measure human height. We offer you an original electronic version that operates based on the use of ultrasound. […]

Filed Under: Sensors and Detectors, Ultrasonic Projects

Atmospheric Pressure Indicator Circuit [LED Barometer Circuit]

Last Updated on June 28, 2023 by Swagatam Leave a Comment

With temperature, if there is one characteristic physical quantity of the past or future weather, it is certainly atmospheric pressure. The variations of this quantity are particularly interesting for weather […]

Filed Under: Sensors and Detectors



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