Category Archives: SciTech

Articles about science and technology in English language.

Understanding op-amps -3

Op-amps-3 This article introduces you to the basic configurations of operational amplifiers.

Posted in SciTech | Tagged | Leave a comment

Understanding op-amps -2

Op-amp fundamentals You are studying operational amplifiers. This is the second article that explains op-amp fundamentals.

Posted in SciTech | Tagged | Leave a comment

Understanding Op-amps-1

Basics In this article, you will understand the basics behind an amplifier.

Posted in SciTech | Leave a comment

Analog to Digital Converter

The real world is analog. It produces continuous electrical signals. To control the real world parameters using digital devices , we must convert the analog signals to digital ones. ADC does the same.

Posted in SciTech | Comments Off on Analog to Digital Converter

Room temperature indicator

TINAH can be used to indicate room temperature on 2×16 LCD display.

Posted in SciTech | Comments Off on Room temperature indicator

A blinker

When a newbie starts learning a computer language, the first ever program is normally to print “Hello World !”.

Posted in SciTech | Comments Off on A blinker

DAC

DAC means digital to analog converter. The DAC circuit produces a proportional analog voltage at the output from a binary number at the input. Here I explain three different ways of implementing a DAC.

Posted in SciTech | Tagged , , , | Comments Off on DAC

BinT

A timer can be very cost effective if we use LEds to show numbers. BinT uses simple LEDs to display a number in binary format.

Posted in SciTech | Tagged , , | Comments Off on BinT

Arduino Simple Timer

This article describes a simple timer using Arduino.

Posted in SciTech | Comments Off on Arduino Simple Timer

Simple security alarm using Arduino

A simple security alarm was developed in two consecutive workshops at Techno e School.

Posted in SciTech | Comments Off on Simple security alarm using Arduino