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Sensors and Detectors

Simple Magnet Polarity Detector Circuit using Hall Effect Sensor

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

Simple Magnet Polarity Detector Circuit using Hall Effect Sensor is important for things like motor control, measuring magnetic field and for teaching. Also, this article show how to use APX9141 Hall Effect sensor to make easy and working magnet polarity detector. Red and blue LEDs show magnet north and south poles and it gives simple […]

Filed Under: Hobby Circuits, Mini Projects, Sensors and Detectors

Simple Micro SD Card Data Logging Circuit with Arduino UNO

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

Accurate data logging is very important in electronics and data work. This project for Simple Micro SD Card Data Logging Circuit with Arduino UNO show how to use micro SD card, IC 7809 and LM35 sensor to make simple data logger. Also, it saves temperature data to SD card and later we can check data […]

Filed Under: Arduino Projects, IoT projects, Mini Projects, Sensors and Detectors

Metal Detector Circuit using Arduino

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

Metal detector uses electric field to find metal near it. Making Metal Detector Circuit using Arduino is fun for electronics lovers and we can make it using Arduino, CS209A chip, LEDs, buzzer and some other parts. Furthermore, LED and buzzer will show when metal is close, also this project use CS209A chip with Arduino, as […]

Filed Under: Arduino Projects, DIY Projects, Security and Protection, Sensors and Detectors

Building a Smart Pet Feeder Circuit using Arduino

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

Feeding pets can be easy and on time using automatic system. This project for Building a Smart Pet Feeder Circuit using Arduino and other parts like IC 7809, SG90 servo motor and HC-SR04 sensor to make simple pet feeder. Feeder work with distance sensor to give food so pet can eat on time without people […]

Filed Under: Arduino Projects, Automation Circuits, Hobby Circuits, IoT projects, Sensors and Detectors

Human Presence and Motion Sensor Circuit using Arduino

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

This project uses electronic and integrated technology for energy saving, smart places and safety system. Main idea is to sense human presence and movement and for that we used mix of sensors and microcontroller to do this work. In this tutorial for Human Presence and Motion Sensor Circuit using Arduino we have used STHS34PF80 sensor, […]

Filed Under: Arduino Projects, Automation Circuits, IoT projects, Security and Protection, Sensors and Detectors

Reverse Car Parking Sensor Circuit using IC LM358

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

Modern cars must have reverse parking sensors, as these give sound and light signals to help driver avoid crash when going back. Sensors use infrared or ultrasonic to find objects behind car. Also, this article for Reverse Car Parking Sensor Circuit using IC LM358 op-amp is to make simple reverse parking sensor circuit. Here, the […]

Filed Under: Automobile Circuits, DIY Projects, Hobby Circuits, Sensors and Detectors

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