The Simple Mobile Incoming Call Detector is a clever circuit designed to pick up incoming calls on a mobile phone and light up an LED. This circuit is really useful in loud places where you might not hear the regular ringtone. It works by detecting the radio frequency RF signal that a phone sends out […]
Sensors and Detectors
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Simple Metal Detector Circuit using IC CS209A
A Simple Metal Detector Circuit is a cool electronic device that helps find metal objects nearby. People use these gadgets for many things like checking security, searching for treasure and in different industries. In this article we will talk about a simple but powerful metal detector circuit that uses just one chip the CS209A. This […]
Simple 12V DC Fan Speed Controller Circuit
A simple 12V DC fan speed controller is an important circuit that helps control how fast a fan runs by adjusting the voltage. In this post, we will look at a 12V DC fan speed controller that uses the IC LM2941. This component is known as a low dropout voltage regulator and can manage up […]
Simple Shock Sensor Alarm Circuit
The Simple Shock Sensor Alarm Circuit is a simple but effective design that can detect vibrations or shocks and then trigger a loud alarm using a piezo buzzer. This easy shock sensitive alarm circuit that can be used in lots of places from homes to automobiles. This circuit is also useful for different purposes like […]
DIY Parking Sensor Circuit using IC 555 and IC LM324
A parking sensor is a cool electronic device that helps drivers park their cars by spotting things nearby that could get in the way. It uses a special system with an infrared IR transmitter and receiver that work together to figure out how close any obstacles are. The whole setup has two main parts: Transmitter […]
Understanding Photosensitive Devices Circuits
Photosensitive devices are parts or systems that react to light levels or energy. They are used in many fields from gadgets we use every day to big industrial machines, because they can change light signals into electrical signals or start certain actions based on how bright the light is. In this article, we will explore […]