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Ultrasonic Distance Meter Circuit Using 16×2 LCD

Last Updated on December 5, 2024 by Swagatam 3 Comments

LCD bb

In this article I will show how to construct an ultrasonic distance meter circuit using Arduino and 16×2 LCD. We are also going to see what an ultrasonic module is, how it works and how it can be used to measure distance. What is ultrasonic? An average healthy human being can hear frequencies ranging from […]

Filed Under: Arduino Projects Tagged With: 16x2, Distance, LCD, Meter, Ultrasonic

Force Sensing Resistor Circuit Explained

Last Updated on January 8, 2024 by Swagatam 5 Comments

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In this article we are going to see, what force sensing resistor is, their construction, specification and finally how to interface it with Arduino microcontroller. We will also study a couple of comparator circuits based on 741 and LM311 ICs, for operating a relay using force sensitive resistor. What is Force Sensing Resistor A force […]

Filed Under: Sensors and Detectors Tagged With: Explained, Force, Resistor, Sensing

Digital Clock Circuit Using 16×2 LCD Display

Last Updated on December 5, 2024 by Swagatam 6 Comments

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In this post I have explained how to make a simple digital clock using Arduino and a 16 x 2 LCD display. Introduction As an electronics enthusiast at a stage we would have thought, how to make a digital clock, especially who are interested in the field of digital electronics. In this article we are […]

Filed Under: Arduino Projects Tagged With: 16x2, Clock, Digital, Display, LCD

Making an Automatic Stopwatch for Runners, Athletes and Sportpersons

Last Updated on December 5, 2024 by Swagatam Leave a Comment

DSC0410 1

In this post I will show how to construct a stopwatch which automatically starts timer when the runner begins to run and the timer stops when the runner reaches the end. The elapsed time between starting and ending point is displayed on a 16 x 2 LCD. First let’s begin by learning how to configure […]

Filed Under: Arduino Projects, Games and Sports Projects Tagged With: Athletes, Automatic, Making, Runners, Sportpersons, Stopwatch

Automatic PWM Door Open/Close Controller Circuit

Last Updated on January 2, 2024 by Swagatam 3 Comments

pwmmotorcontrol

In this post I have explained a simple PWM controlled automatic turnstile or door circuit featuring an automatic open/close action via a photo-interrupter stage. The idea was requested by Mr. Bruce Clark. Technical Specifications Thank you for a really fantastic service you provide. Would you please be so kind as to help me with a […]

Filed Under: Sensors and Detectors Tagged With: Automatic, Close, Controller, Door, Open, PWM

Make a Simple Class D Amplifier Circuit

Last Updated on December 21, 2023 by Swagatam 47 Comments

class D amplifier circuit

In this article I have explained two simple class-D amplifier projects which can be built at home with extremely high efficiency results. A Class D amplifier is also known as switching amplifier. This technology uses pulse width modulation or PWM for digitally amplifying small analogue music signals into high power, high efficiency audio signals. Why […]

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Class, Simple

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