Electronic Projects and Circuit Ideas for School and Colleges

Complete Guide to Electric Screwdrivers

Nov 9, 2022Sartaj Singh VirdiProduct Review

Electric screwdrivers are integral tools of service and production industry for some time now. Various brands of electric screwdrivers are readily available in India – from imported to ‘Make-in-India’ type. Some of the most prominent electric and pneumatic screwdriver brands available in India are DeWalt, Metabo HPT, Bosch, Skil, Black+Decker, Kilews, Conos, Kolver, Sehan, Sumake,

Solder Fume Extractor Review and Comparison

Nov 1, 2022Sartaj Singh Virdi3 CommentsProduct Review

Hello this is Sartaj Singh Virdi from TechnoTaj. I am asked to review the entry level Solder Fume Extractors (Smoke Absorbers) from INDE Enterprises. I have two Solder Fume Extractors – The first one is ‘table top type’ and the other one is ‘clamped to the table type’. Please note I will be using Fume

Best Comparison – Soldering Iron Vs Soldering Station

Oct 22, 2022Sartaj Singh VirdiProduct Review

This is the best review in my opinion on the comparison of a Soldering Iron with a Soldering Station. It has been specifically written for the novice users who are planning to buy a soldering machine but are confused between the soldering station and a soldering iron. This covers all the aspects like usability to

DSS36 Soldering Station Review and Hakko FX-888D Comparison

Apr 15, 2022Sartaj Singh VirdiProduct Review

I am asked to review the most widely and commonly used soldering station DSS36 from INDE Enterprises. It is one of the most affordable Soldering Station in India and priced at Rs.8,000/-+. Now let us not waste time and review this so called low cost work horse for service / manufacturing and rework industry in

Quick HAS6DW Rework Station Review Price and Performance

Mar 16, 2022Sartaj Singh Virdi18 CommentsProduct Review

LOW COST 1000 WATT HIGH POWER QUICK HOT AIR REWORK STATION MODEL HAS6DW If you want to carry out any type of SMD reworking like repair work on mobile phones, laptops, and mother boards you need a very reliable hot air rework station. A rework station is an essential tool on a servicemen’s workbench. It

FAKE INDIA POST MAIL – NOVEMBER 2021

Nov 16, 2021Sartaj Singh Virdi5 CommentsHacking

!!!! BEWARE !!!! Following is the mail in Hindi that I received today. If you happen to receive such a mail, just ignore. It is a phishing attack that is intended to steal your money. The mail came from nsh.delhi13@incindiaposte.com mail id – and the domain for this email id is

Best Battery Charger with Auto Cut-Off

Sep 13, 2021Sartaj Singh Virdi13 CommentsElectronic Projects for Kids

Here is another simple school project that can be used to charge any type of general purpose rechargeable battery or any type of mobile battery without having to worry about overcharging. This battery charger has an auto-cutout feature, which is enabled when the battery is fully charged. Once the battery is fully charged, the output

Mobile Phone Signal Jammer (oops) Detector!

Aug 1, 2021Sartaj Singh Virdi4 CommentsElectronic Projects for Kids

Mobile Phone Signal Detector – An Electronic Class Project for the Students Here is another circuit from me of a Mobile Phone Signal Jammer (oops) Detector. It can sense the presence of an activated mobile within a distance of three to four meters and lights-up an LED (you can also attach a buzzer instead of LED).

Very Reliable 60Watt (12Volt – 220Volt) Inverter Circuit Using IC 4047

Jul 15, 2021Sartaj Singh Virdi20 CommentsElectronic Projects for Kids

Inverter circuit is one of the most common circuits on the internet with various types of combinations of components yielding moderate to very good output. However, on various facebook groups and pages I have come across various junk circuits that can literally make a hole in your pocket and will not work. Such rouge circuits

Best Variable Power Supply and Battery Charger

Jul 6, 2021Sartaj Singh Virdi2 CommentsElectronic Projects for Kids

I have come across various inquires where my beautiful facebook visitors are asking me for a powerful variable power supply / battery charger circuit for professional use. So here is a powerful yet very reliable circuit that can charge your Power Banks, Motorcycle batteries, Car batteries, Mobile batteries, General purpose batteries; and, it can also