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 […]
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Make a Workbench Multimeter With the IC 741
Testing and troubleshooting electronic project circuits requires a multimeter, so new hobbyists may feel interested to try the following homemade multimeter circuits as their next electronic project. Using a Single […]
40 watt Electronic Ballast Circuit
The proposed 40 watt electronic ballast is designed to illuminate any 40 watt fluorescent tube, with high efficiency, and optimal brightness. The PCB layout of the proposed electronic fluorescent ballast […]
7 Easy Voltage Doubler Circuits Discussed
In this article we learn 7 easy to build DC to DC voltage doubler circuits using a single IC 4049 and IC 555 along with a few other passive components. […]
Making a Pyrometer Circuit
To make a furnace temperature meter, the sensing element is required to be particularly robust so that it is able to withstand the extreme high temperatures generally developed in furnaces […]
Simple LED Tubelight Circuit
An LED tube-light is lighting device built using high efficiency LEDs for illuminating a premise where it is installed, through the available AC mains supply. The following post explains the […]