In this article we will try to understand the main specifications and datasheet of the Li-Ion cell 18650 2600 mAh, which is one of the most popular Li-ion batteries, and […]
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Understanding Scalar (V/f) Control for Induction Motors
In this article we will try to understand how scalar control algorithm is implemented for controlling induction motor speed with relatively straightforward calculations, and yet achieve a reasonably good linearly […]
Capacitor Leakage Tester Circuit – Find Leaky Capacitors Quickly
This simple capacitor tester is capable of testing leaky electrolytic capacitors in the range of 1uf to 450uf. It can test large start and run capacitors as well as 1uf […]
Digital Weighing Scale Using Load Cell and Arduino
In this post we are going to learn about strain gauge based load cell. We will be exploring what Strain Gauge is, what Load Cell is, temperature effect on strain […]
Solid State Contactor Circuit for Motor Pumps
In this article we learn how to design and build a solid state contactor circuit using triacs for operating heavy duty loads like submersible borewell pump motors with high reliability, […]
3D Moon-Sphere LED Driver with Charger and Dimmer Circuit
In this post we learn how to build a homemade LED driver with dimmer and charger circuit for illuminating a 3D moon from a 5V USB source. The idea was […]