How & Why

The stupid but interesting questions asked by students and teachers who learn at Vidyasagar Academy. The curiosities are endless, but we pick them up and give detailed explanation in this series.

How to use Arrays in Arduino coding?

How & Why Arduino Tips & Tricks

Prof. Dattaraj Vidyasagar
May 30, 2023
December 29, 2023

An array is a collection of values which are accessed with an index number. Any value in the array may be called in the program by calling the name of the array and the index number of the value.

How to save Arduino Serial data in TXT, CSV and Excel file without using data logger shield?

Research & Extension How & Why

Prof. Dattaraj Vidyasagar
February 8, 2023
January 4, 2024

The use of data logger shield in Arduino is rather critical and everyone may not have the data logger shield readily available to create the log of readings in Arduino.

What to do if the theme editor option in WordPress dashboard disappeared?

Research & Extension Web Dev

Prof. Dattaraj Vidyasagar
January 11, 2023
October 25, 2023

Sometimes when you install a plugin, it may block the theme editor option and plugin editor option also. This is done particularly for the security reasons.

How analog pin works & how PWM signal is obtained in Arduino UNO/Nano?

How & Why Arduino Tips & Tricks

Prof. Dattaraj Vidyasagar
January 23, 2023
October 15, 2023

In new type of Arduino boards with the ATMeaga168 chip, the pins 3, 5, 6, 9, 10, and 11 work as PWM pins. Older Arduino board with an ATMega8 chip has only pins 9, 10, and 11 as PWM pins. The value can be specified as a variable or constant with a value from 0-255.