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How to Interface 4×4 Keypad with Arduino

Last Updated on December 5, 2024 by Swagatam 2 Comments

keypad

In this post I have explained how to interface a 4×4 keypad with Arduino. We are going to see what is a keypad, how it is constructed and a how to program the Arduino to receive keystrokes form the keypad and print them in serial monitor. What is a keypad? A keypad is a portable […]

Filed Under: Arduino Projects Tagged With: 4x4, Arduino, Interface, KeyPad

Arduino IR Remote Control Circuit

Last Updated on December 5, 2024 by Swagatam 10 Comments

IRremote

In this post I will show how to construct a customizable Arduino based IR (infrared) based wireless remote control switch, which consists of IR remote and a receiver, you may modify according to your needs. In the later part of the article I have explained about an upgraded foolproof version of an IR remote control […]

Filed Under: Arduino Projects, Remote Control Circuits Tagged With: Arduino, Control, IR, Remote

Arduino Digital Clock Using RTC Module

Last Updated on December 5, 2024 by Swagatam 5 Comments

P 20160813 150716

In this post I will show how to construct a digital clock using RTC or Real Time Clock module. We will understand what “RTC” module is, how to interface with Arduino and what it does. By: RTC module is a circuit, which keeps track of current time accurately. It does two functions, it communicates with […]

Filed Under: Arduino Projects Tagged With: Arduino, Clock, Digital, Module, RTC

Make this Digital Temperature, Humidity Meter Circuit using Arduino

Last Updated on August 2, 2019 by Swagatam 2 Comments

LCD bb

In our previous article, I have explained how to interface temperature humidity sensor with arduino and read out displayed on serial monitor of arduino IDE. In this post I have explained how to display the reading on a 16×2 LCD display for the proposed digital temperature/humidity meter using Arduino. Introduction This project may be used […]

Filed Under: Meters and Testers Tagged With: Arduino, Digital, Humidity, Meter, Temperature

Categories

I have compiled a complete list of categories on this website to help you quickly find and navigate the electronic circuits you’re looking for. Let’s get started. Arduino Projects for Engineers In this category I have introduced comprehensive Arduino circuit designs for EEE and BE students. These include detailed explanations, images, and online support, which […]

50A High Current Sensor IC ACS758: Circuit Diagram

Last Updated on June 12, 2025 by Swagatam Leave a Comment

So in this post we will try to understand everything about ACS758 current sensor, how this works, how we can use it, what is the technical specs, what is inside this IC and how to use in real circuits etc. This ACS758 is actually made by Allegro Microsystems and this is a very strong and […]

Filed Under: Voltage Control and Protection, Sensors and Detectors Tagged With: 50A, ACS758, Current, High, Sensor

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