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Arduino Frequency Meter Using 16 x 2 Display

Last Updated on June 8, 2026 by Swagatam 4 Comments

arduinodisplayconnection

In this article I will show how to construct a digital frequency meter using Arduino whose readings will be showcased on a 16 x 2 LCD display and will have a measuring range from 35 Hz to 1MHz. Introduction Being electronics enthusiast, we all would have come across a point where we need to measure […]

Filed Under: Arduino Projects, Meters and Testers Tagged With: 16x2, Arduino, Display, Frequency, Meter

Arduino Pure Sine Wave Inverter Circuit with Full Program Code

Last Updated on May 14, 2026 by Swagatam 662 Comments

arduino

This article explains a simple pure sine wave inverter circuit using Arduino, which could be upgraded to achieve any desired power output as per the user’s preference. Circuit Operation In the last article I have explained how to generate sine wave pulse width modulation or SPWM though Arduino, we are going to use the same […]

Filed Under: Arduino Projects, Inverter Circuits Tagged With: Arduino, Full, Inverter, Pure, Sine, Wave

Arduino SPWM Generator Circuit – Code Details and Diagram

Last Updated on June 9, 2026 by Swagatam 74 Comments

waveform 2

In this post I have explained how to generate sine wave pulse-width-modulation or SPWM through Arduino, which can be used for making a pure sine wave inverter circuit or similar gadgets. The Arduino code is developed by me, and it is my first Arduino code, …and it looks pretty good 🙂 What is SPWM I […]

Filed Under: Arduino Projects Tagged With: Arduino, Code, Details, Generator, SPWM

How to Interface Cellphone Display with Arduino

Last Updated on May 14, 2026 by Swagatam Leave a Comment

hello2Bworldddd

In this post we will be learning how to interface Nokia 5110 display with arduino microcontroller and how to display some text, we will also be constructing a simple digital clock and finally we will be exploring graphical capabilities of the Nokia 5110 display. Nokia was the most popular mobile phone brand across the globe […]

Filed Under: Arduino Projects Tagged With: Arduino, Cellphone, Display, Interface

How to Interface Servo motors with Arduino

Last Updated on July 17, 2026 by Swagatam 4 Comments

IMG 20161207 161719 HDR

In this post I have explained what servo motor is, how it functions, how to interface with microcontroller and what make this motor special from other motors. Being an electronics enthusiast we would have come across many kinds of motors, here we are going to take a look at special type of motor called servo […]

Filed Under: Arduino Projects, Motor Controller Tagged With: Arduino, Interface, Motors, Servo

Arduino Modified Sine Wave Inverter Circuit

Last Updated on August 3, 2020 by Swagatam 104 Comments

blockdiagram

In this post I will show how to construct a modified sine wave inverter using Arduino. We will explore the methodology of the proposed sine wave inverter and finally, we will take a look at simulated output of this inverter. By  Difference Between Squarewave and Modified Squarewave Inverter Inverters saved us from short term power […]

Filed Under: Inverter Circuits Tagged With: Arduino, Inverter, Modified, Sine, Wave

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