Accurately measuring very low currents of a few microamps or less using a regular panel meter or multimeter is not feasible. To make such precise measurements, you need to employ […]
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GSR Sensor Circuit for Biofeedback Measurements
In this post I have explained how to build a very simple GSR sensor circuit using just a couple of transistors and a few other passive components. A GSR (Galvanic […]
100V Regulated Power Supply Circuit with Over Current and Short Circuit Protection
A trustworthy and adaptable power source is essential in the world of electronic circuits. The design we present here not only offers a regulated output voltage range of 50V to […]
Solar Battery Charger using LM339 Comparator
This small LM339 based solar battery charger setup is designed to optimize the charging of your battery using any solar panel while protecting it from accidental overloads. Considering the extended […]
How to Modify 78XX, LM323, LM350, LM317 Voltage Regulator Circuits
In this article I have explained many different methods of modifying voltage regulators ICs to improve their voltage and current handling characteristics. We learn how to externally modify these regulators […]
LM195/LM395 Power Transistors Explained [Enhanced Power Transistors with Full Internal Protections]
The LM195 and LM395 are both high efficiency power transistors that were initially manufactured by National Semiconductor Corporation, and later acquired by “Texas Instruments”. These special power transistors are intended […]
