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How to Build a Grow Light Circuit

Last Updated on June 23, 2019 by Swagatam 7 Comments

The post discusses a typical grow light circuit application for plants in order to stimulate photosynthesis effect in an artificially lit environment using multicolored LEDs. The idea was suggested by […]

Filed Under: LED and Light Effect

32V, 3 Amp LED Driver SMPS Circuit

Last Updated on February 16, 2022 by Swagatam 206 Comments

The article presents a 32V, 3 amp SMPS circuit which may be specifically used as an SMPS 100 watt LED driver, rated with the same specs. The circuit of the […]



Filed Under: LED and Light Effect, SMPS

Arduino Mains Failure Battery Backup Circuit

Last Updated on November 15, 2023 by Swagatam

The article explains a simple mains failure backup circuit for providing Arduino boards an uninterruptible supply during such situations. The idea was requested by Mr. Fredrik. Technical Specifications This blog […]

Filed Under: Arduino Engineering Projects

0 to 50V, 0 to 10amp Variable Dual Power Supply Circuit

Last Updated on September 8, 2023 by Swagatam 242 Comments

The post explains a simple yet very useful 0 to 50V dual power supply circuit which will enable a full 0 to maximum dual voltage +/- control of the input […]

Filed Under: Power Supply Circuits

Greenhouse Motorized Water Diverter and Humidity Controller Circuit

Last Updated on March 13, 2019 by Swagatam 2 Comments

In one of the previous posts we learned the making of a greenhouse temperature controller circuit, here we study how the effects may be enhanced through an automatic water valve […]

Filed Under: Motor Controller

5kva Ferrite Core Inverter Circuit – Full Working Diagram with Calculation Details

Last Updated on August 25, 2020 by Swagatam 433 Comments

In this post we discuss the construction of a 5000 watt inverter circuit which incorporates a ferrite core transformer and therefore is hugely compact than the conventional iron core counterparts. […]

Filed Under: Inverter Circuits



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