Circuits DIY – Page 351

Different alarm circuits are used commonly in day-to-day life as a security measure or to indicate any situation. Here in this tutorial, we…

You must have seen many LED flashlights in the market, mostly using white LEDs as they provide perfect brightness and light. LEDs are excell…

DC motor is most commonly used due to its simple construction and function. It has just 2 leads, positive and negative. If one connects thes…

A subwoofer amplifier circuit is basically a loudspeaker from which low or small-frequency audio signals are produced. These circuits effici…

RTD stands for "Resistance Temperature Detector". They are a type of temperature sensors that contain a resistor that changes resistance val…

A Thermocouple is a type of temperature sensor which is used to measure temperature. It consists of two different types of metals that are j…

The temperature sensor is very useful in different ways. It can activate or deactivate any kind of device by observing a temperature. Its ot…

In this tutorial, we are going to control the speed of a DC Fan by using a thermistor. The main aim of a temperature control sensor circuit…

A rain alarm project is a very simple and useful project. It detects the rainwater and triggers the buzzer or alarm. In this tutorial, we ha…

A Mobile Phone charger is a device that charges a mobile phone from an available AC supply source. The Mobile phone chargers available in th…

This tutorial will explain how to control a DC Fan speed by using the temperature sensor (Thermistor). When the temperature rises above the…

A thyristor is a four-layer semiconductor device that conducts current in only one direction. It acts as a bistable switch and only conducts…

This tutorial will explain to you a simple temperature-controlled DC fan. The fan starts above the preset value of temperature and stops whe…

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