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Simple Analogue Weighing Scale Machine

Learn a super simple procedure to make a weighing scale device useful for measuring smaller magnitudes of weight. The Concept The concept is very simple, a light beam is allowed to pass through a linearly colored ribbon and fall over an LDR. The color shade of the ribbon positioned in front of the light source … Read moreSimple Analogue Weighing Scale Machine

Make a Simplest Temperature Indicator Circuit

A very simple temperature indicator circuit can be built by interconnecting a single transistor, a diode and a few other passive components. Using Transistor as a Heat Sensor As we know that all semiconductors have this “bad habit” of changing its basic characteristics in response to ambient temperature changes. Especially basic electronic components like transistors … Read moreMake a Simplest Temperature Indicator Circuit

8 Best LED Flasher Circuits – Blinking, Flashing, Fading Effect

In this post we will learn how to assemble an IC 555 astable circuit for generating interesting LED flasher circuits with fading light effects with some minor modification and enhancements. Why use an IC 555 Astable The astable multivibrator mode is the most fundamental mode of operation of the IC 555. In this mode it … Read more8 Best LED Flasher Circuits – Blinking, Flashing, Fading Effect

Making a RTD Temperature Meter Circuit

In this post we learn the making of an RTD temperature meter circuit, and also learn about different RTDs and their working principles through formulas. What’s an RTD A RTD or resistance temperature detector works by detecting the difference or an increase in the resistance of the sensor metal when it’s subjected to heat. This … Read moreMaking a RTD Temperature Meter Circuit

3 Tested 220V High and Low Voltage Cut OFF Circuits Using IC 324 and Transistors

The article describes 3 accurate automatic over and under voltage cut out circuits can be made at home for protecting the domestic appliances from sudden dangerous high and low voltage influxes. The first designs explains a LM324 transformer based circuit, the second circuit uses a transformerless version, that is it works without a transformer, while … Read more3 Tested 220V High and Low Voltage Cut OFF Circuits Using IC 324 and Transistors

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