Digital Temperature Indicator Circuit

This explained digital temperature indicator circuit had been created for computing the heatsink temperature of a big over 1kva power amplifiers, however it may, obviously, be applied for other power amplifiers and even for various other purposes. The thermometer would not just display the heat range of the heatsink on a couple of displays, nevertheless […]

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Transistor Current Gain Tester Circuit – hFE Tester

This hFE or transistor forward gain tester is intriguing due to its ease-of-use and because it allows the use of both PNP and NPN transistors to be assessed. Additionally more the measuring becomes self-governing of the supply voltage of the tester. As the picture displays, the base current of the transistor under check moves through […]

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Simple LED Stopwatch Using IC 555 and IC 4017

In this post we are going to construct a simple LED stopwatch using IC 555 timer and IC 4017 decade counter. The elapsed time is indicated by LEDs which illuminates in a sequence. Stopwatch is very important piece of equipment in sports, cooking, laboratory, medical etc. They are used to measure short period of time […]

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Simple Continuity Tester Circuit

Using this simple continuity tester circuit continuity among a pair of points could be examined effortlessly by using a multimeter. However multimeter simply being a costly gadget, several amateurs don’t have one of their very own. Apart from that, for each test, you have switch your eyes on the meter, and also the test prods […]

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