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 Thermistors in Temperature Indicator Circuits To measure temperatures precisely, you might need a thermometer. In many instances, though, a relative estimate will do and an absolute value is not necessary. An LED may change colour or a basic LED illumination may be used to notify the user that, for instance, an electric drill or hoover cleaner is getting heated. If there was a green light on these monitors to show that the temperature was okay, that would be much better. To alert the user when the equipment gets too hot, the light must progressively change colour as the temperature rises. In this article, we'll design a basic temperature indicator circuit by utilising a PTC thermistor and an NTC. when is common knowledge, an NTC thermistor is a temperature-dependent resistor, meaning that when the temperature rises, the resistor's resistance falls. Because of this, it responds to rising temperatures with a negative resistance, earning it the moniker of negative temperature coe...

 Investigating the Basics of Diode Circuits: From Amplification to Rectification" The foundation of contemporary electronics are diode circuits, which are essential to a wide range of applications. By exploring their basic principles, various uses, and the various ways they enhance electrical devices, this article seeks to provide readers a thorough grasp of diode circuits. 1. Basics of Diodes: A diode is essentially a semiconductor device that only permits current to flow in one direction. Comprehending the basic characteristics of diodes, like forward and reverse bias, is essential to appreciating their function in electronic circuits. 2. Rectification:  Converting DC from AC Rectification, or the process of changing alternating current (AC) to direct current (DC), is one of the main uses of diodes. Discover the functions of full-wave and half-wave rectifiers and their importance in electronic systems and power supplies. 3. Clamping and clipping signals: Signal shaping relie...