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 […]
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Home » Sensors and Detectors
Ultrasonic Motion Detector Circuit
This ultrasonic motion detector circuit project picks up movement of any object including human beings from a distance of 4 to 7 meters away. As soon as the motion is […]
How to Use Diodes, Transistors, ICs as Temperature Sensors
Normally we find thermistors being used as the sensor for detecting and monitoring temperatures in electronic circuits. However, ordinary semiconductor components like transistors and diodes actually work better than thermitors […]
Motion Detector Circuit using Doppler Effect
The motion sensor circuit explained in the article works by using doppler shift principle, in which the moving target is detected through the continuously varying frequency, reflected from the moving […]
Precision Current Sensing and Monitoring Circuit using IC NCS21xR
If you are looking for current shunt monitors or current sense amplifiers then you have landed at the right page. Current shunt monitor is an instrumentation amplifier which senses the […]
How Contactless Infrared Thermometers Work – How to Make One
In this post we will learn the basic working concept of thermal scanners or contactless IR thermometers, and also learn how to make a practical DIY prototype of the unit […]