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Newly Updated Circuit Projects:

True MPPT Solar Controller Circuit using IC 555

Last Updated on September 12, 2025 by Swagatam 18 Comments

Are you wondering if it was possible to build a very simple MPPT circuit using ordinary parts like IC 555 and IC 741, which would work most efficiently imitating a true MPPT? The answer is yes, it is possible, and we will learn about it details, in the following article. In this design I used […]

Filed Under: Solar Controller Circuits Tagged With: 555, Controller, MPPT, Solar, True

How To Use Triac For AC Power Control

Last Updated on September 11, 2025 by Swagatam Leave a Comment

Here we are talking about controlling things like lamps, motors, heaters, and other similar electrical loads. The devices we use for this purpose are called thyristor and triac, OK? Both these devices, thyristor and triac, they can actually do this job like simple switch ON/OFF or they can also adjust the power given to these […]

Filed Under: Electronics Theory Tagged With: AC, Control, Power, Triac

IC 4047 Datasheet, Pinouts, Application Notes

Last Updated on September 11, 2025 by Swagatam 97 Comments

IC4047basicconfiguration

The IC 4047 is one of those devices which promises an unlimited range of circuit application solutions. The IC is so versatile that on many occasions it easily outsmarts it’s close rival, the IC 555, let’s study the datasheet and pinout details of this versatile chip. Main Datasheet and Specifications: In-built oscillator with variable frequency […]

Filed Under: Datasheets and Components Tagged With: 4047, Application, Datasheet, Notes, Pinouts

Playing a Melody Using Arduino

Last Updated on September 10, 2025 by Swagatam 2 Comments

speaker schem

In this Arduino tutorial we will learn how to execute the tone() command for producing musical notes. The configuration will play a tiny musical tone that could be familiar to you.     Required Hardware for the Project Arduino BoardLoud speaker – 8 Ohm 1 inchResistor – 100 ohmsHook-up wires Procedure: It’s rather too straightforward […]

Filed Under: Arduino Projects, Audio and Amplifier Projects Tagged With: Arduino, function, Melody, Playing, Tone

Arduino RGB Flowing Sequential Light Circuit

Last Updated on September 10, 2025 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

50 Best Arduino Projects for Final Year Engineering Students

Last Updated on September 9, 2025 by Swagatam 2 Comments

budding engineers

In this post we sort out a list of most popular, 50 hand-picked and best engineering circuit Arduino projects specially created for all aspiring engineers for their final year project exhibition. The circuit projects include the latest and advanced microprocessor Arduino based designs with full program code. The list also includes projects using discrete parts […]

Filed Under: Arduino Projects Tagged With: Arduino, Best, Engineering, Final, Projects, Year

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