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Category Archives: SciTech
Understanding op-amps -3
Op-amps-3 This article introduces you to the basic configurations of operational amplifiers.
Understanding op-amps -2
Op-amp fundamentals You are studying operational amplifiers. This is the second article that explains op-amp fundamentals.
Understanding Op-amps-1
Basics In this article, you will understand the basics behind an amplifier.
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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.
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Room temperature indicator
TINAH can be used to indicate room temperature on 2×16 LCD display.
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A blinker
When a newbie starts learning a computer language, the first ever program is normally to print “Hello World !”.
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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.
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.
Arduino Simple Timer
This article describes a simple timer using Arduino.
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Simple security alarm using Arduino
A simple security alarm was developed in two consecutive workshops at Techno e School.
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