Arduino VU meter using Neopixel LED
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Arduino VU meter using Neopixel LED

I made many projects regarding Audio amplifiers and preamplifiers but this tutorial is for the visual music experience. I am going to make a music reactive neopixel based LED strip. The LEDs will glow according to the change in beat and the color is changed automatically. This type of multi color RGB pattern gives a…

Arduino based hexadecimal calculator
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Arduino based hexadecimal calculator

It is very easy to calculate the hexadecimal equivalent to a decimal number using dividing by 167 method. But this method is very long and sometimes very confusing when comes to large numbers. here I have a Arduino based decimal to hexadecimal converter. But let’s know more about hexadecimal number system and why it was…

NTC v/s PTC Difference And Applications
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NTC v/s PTC Difference And Applications

NTC and PTC are known as thermistors, which can be further known as temperature-controlled resistance. Now something is related to resistance but how it works and which type of circuits can be designed using these components. Let’s know the working concept and then we will use them practically. The value of these thermistors is not…