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Newly Updated Circuit Projects:

Arduino Random RGB Light Generator Circuit

Last Updated on June 8, 2026 by Swagatam 1 Comment

The  article discusses a simple,Arduino red, green, blue LED light effect generator circuit in a random pattern. In one of the earlier posts we came across a similar RGB LED effect generator circuit using Arduino which was programmed to produce the effect in a flowing sequential manner, whereas here the set up can be expected […]

Filed Under: Arduino Projects, Lamps and Lights Tagged With: Arduino, Generator, Light, Random, RGB

Making an Automatic Stopwatch for Runners, Athletes and Sportpersons

Last Updated on May 21, 2026 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

Arduino LCD KeyPad Shield (SKU: DFR0009) Datasheet

Last Updated on May 18, 2026 by Swagatam Leave a Comment

pindetails

The write up explains the pinout and working details of the LCD module “Arduino LCD KeyPad Shield (SKU: DFR0009)” which is specifically manufactured for offering a quick plug-in compatibility for all Arduino based applications which may require displaying a particular parameter in digits, such as temperature, speed, time, weight etc. Arduino LCD KeyPad Shield (SKU: […]

Filed Under: Arduino Projects, Datasheets and Components Tagged With: Arduino, DFR0009, KeyPad, LCD, Shield, SKU

Arduino RGB Flowing Sequential Light Circuit

Last Updated on June 8, 2026 by Swagatam Leave a Comment

rgb 3

In this post we are going to make a simple but useful circuit that can make an RGB LED glow in a nice flowing way. That is not just random blinking, but smooth sequential lighting of red, green, and blue one by one. This is done using Arduino, so you need to have some basic […]

Filed Under: Arduino Projects, Lamps and Lights Tagged With: Arduino, Flowing, Light, RGB, Sequential

Arduino Musical Tune Generator Circuit

Last Updated on May 15, 2026 by Swagatam 4 Comments

arduino2Bsiren

You can use this little Arduino musical tune generator circuit for a preferred application, such as for making an interesting door bell, as a car reverse horn, or music box for gifting somebody, or simply for personal amusement. Hardware Required The Hardware required for the project are given as follows: The Arduino is powered with […]

Filed Under: Arduino Projects, Audio and Amplifier Projects Tagged With: Arduino, Generator, Musical, Tune

5 Simple Power Bank Circuits for Mobile Phones

Last Updated on May 17, 2026 by Swagatam 174 Comments

powerbank

In this article I have explained a 5 assorted power bank circuits using 1.5V cell and 3.7V Li-ion cell which can be built by any individual for their personal emergency cellphone charging functionality. The idea was requested by Mr. Irfan What is a Power Bank Power bank is a battery pack which is used to […]

Filed Under: Battery Charger Circuits Tagged With: Bank, Circuits, Mobile, Phones, Power, Simple

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