Research & Extension

Updated posts published after thorough Research. Vidyasagar Academy constantly supplies up-to-date references for your expert reading in Research & Extension category.

Measurement of TDS of Water Sample using Arduino UNO

Measurement of TDS of Water Sample using Arduino UNO – details of complete project

We know that the larger is the salinity of water the more is its electrical conductivity. So by using standard techniques of measuring the electrical conductivity (Ec) we can use this value to find out the TDS by using following empirical equation.
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TUP-TUN-DUG-DUS

TUP TUN DUG DUS – Interesting concept of universal family of transistors and diodes

The Elektor magazine introduced a very nice concept of using a large family of transistors (PNP or NPN) and diodes (Ge or Si) in general purpose circuits. This concept is known as TUP TUN DUG DUS. If you read it completely it will surely help you build general purpose electronic circuits.
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How to design Cathode Ray Oscilloscope using Arduino? Code of just 9 lines!

How to design Cathode Ray Oscilloscope using Arduino? Code of just 9 lines!

A cathode ray oscilloscope (CRO), also known as an oscilloscope or scope, is a type of electronic test instrument used to visualize and analyze electrical signals in the time domain. It is an essential tool for engineers, scientists, and technicians working with electronics, telecommunications, and various fields of science and engineering.
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How to repair Ragini Digital Tanpura

How to repair Ragini Digital Tanpura and Tabla? Simple steps to repair it at home

Well, its very simple to repair Ragini Digital Tanpura and Tabla at home. Refer the following photographs. I recently repaired 7 units of Ragini Digital Tanpura and Ragini Digital Tabla together of a renowned music college of my home town.
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IC 555 FAQ

IC 555 FAQs

IC 555 FAQs are the collection of frequently asked questions about IC 555. Very useful to almost all types of electronics hobbyists. Many questions in this collection are never asked or never answered. We constantly update this page from the feedback that we receive from our readers.
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