Sunday, January 23, 2022


An amazing collection of videos for electronics engineers!

working of relays & optocouplers

Working of Relays and Optocouplers

In this video, the presenter is going to show you how a Relay and Optocoupler works and when it makes to use them. He will also be giving certain practical examples...

Standardisation for the IoT Ecosystem: An Enabler? Or a roadblock?

Innovation is proliferating like anything today. The IoT has brought in the innovation to a very different level where everybody is trying to define it in their own way and to...

DIY: Solar USB Charger with Battery Backup

In this video, the author is going to show you how to make your own solar USB charger using the following items with inbuilt battery backup. Materials:USB female end,5V regulator, 2 diodes,...

How Does an Air Conditioner Work?

Air conditioning is the process of removing heat and moisture from the interior of an occupied space, to improve the overall internal temperature and environment. Air conditioners help to maintain the...

How To: Charge your phone with a 9 volt battery!

Check out this simple trick to charge your cell phone with a 9 volt battery. Courtesy: HarleyWood23  

Build your own Crude FM Radio

In this video, author is going to build a crude FM radio. WARNING: Always check your local laws before using a frequency to transmit your RF FM signal. For more information: click here Courtesy: GreatScott  

Introduction To Low Dropout Regulator

In this video, the presenter will be explaining Low Dropout Regulator (LDO), regulator types, differences between linear and switching regulators, LDO working, both PMOS and NMOS and the differences between NMOS...

Etching Custom Designs Into Stainless Steel Using Electricity

In this video, the presenter is going to perform a simple experiment etching, custom designs into solid metal using battery and power adapter. He will also be comparing the results using...

Arduino WebRadio player

In this video, the presenter would be building an Arduino WebRadio player based on ENC28J60 ethernet module and a VS1053B MP3 / AAC / WAV decoder. The WebRadio player has 14 predefined...

DIY: Mini Spy FM Transmitter

In this video, the author is going to make a mini FM transmitter. By using this FM transmitter you can broadcast your own FM radio station within the neighborhood. You need to...

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