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Newly Updated Circuit Projects:

Ferrite Core Air Gap Calculator Tool

Last Updated on June 9, 2026 by Swagatam Leave a Comment

You can use this calculator in your workshop or while designing an SMPS prototype, to find the exact physical gap required between your ferrite core pieces to hit your target inductance. Flyback Transformer Air Gap Calculator Flyback Transformer Air Gap Calculator Target Primary Inductance (Lp in µH): Primary Winding Turns (Np): Core Cross-Section Area (Ae […]

Filed Under: SMPS and Converters Tagged With: Air, Calculator, Core, Ferrite

How to Create Air Gap in a Ferrite Core Transformer

Last Updated on June 9, 2026 by Swagatam 5 Comments

In this article we are going to understand in detail how we can create air gap in a ferrite core based transformer which we are using in smps circuits like flyback or boost or forward type. Introduction We must understand that ferrite cores have very high permeability and they saturate very fast if we do […]

Filed Under: SMPS and Converters Tagged With: Core, Create, Ferrite, Transformer

GSM Car Ignition and Central Lock Circuit Using Arduino

Last Updated on June 9, 2026 by Swagatam 8 Comments

gsm car central lock circuit

In this post I will show how to construct a GSM based car security system using Arduino, which can lock and unlock car’s ignition system and central lock by sending a password SMS to car from your cellphone Car theft can be a heart break; it feels like your loved one got kidnapped. It hurts […]

Filed Under: Arduino Projects, Automobile Electronics Tagged With: Arduino, Central, GSM, Ignition, Lock

Line Follower Robot Circuit using Arduino

Last Updated on June 9, 2026 by Swagatam 9 Comments

IMG 20170904 143144

In this post I have explained how to build a line follower robot circuit using Arduino, which will run over a specifically drawn line layout and will faithfully follow it as long as it is available and traceable by its sensors. By Navneet Sajwan What is a Line Follower Robot An autonomous robot is a machine […]

Filed Under: Arduino Projects, Automation Projects Tagged With: Arduino, Follower, Line, Robot

Automatic Irrigation Circuit using Arduino

Last Updated on June 9, 2026 by Swagatam 7 Comments

In this post I will show how to construct an automated water irrigation system for small garden using arduino and soil moisture sensor. Introduction The proposed system can monitor the soil moisture level and when soil moisture goes below preset value, the 12V DC pump will be triggered for predetermined period of time. The status […]

Filed Under: Arduino Projects, Automation Projects Tagged With: Arduino, Automatic, Irrigation

Arduino Digital Clock Using RTC Module

Last Updated on June 9, 2026 by Swagatam 5 Comments

P 20160813 150716

In this post I will show how to construct a digital clock using RTC or Real Time Clock module. We will understand what “RTC” module is, how to interface with Arduino and what it does. RTC module is a circuit, which keeps track of current time accurately. It does two functions, it communicates with microcontrollers […]

Filed Under: Arduino Projects Tagged With: Arduino, Clock, Digital, Module, RTC

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