By T.K. Hareendran

International Electronic Design Freelancer • Technical Author • Hardware βeta Tester • Product Reviewer
Articles Written 469

A Mighty LED Flasher

I still believed electronics hobby can be promoted through the application of nostalgic components and circuits. This is a meek try to inspire someone learning and experimenting with basic electronics circuits, or to wake up […]

LM2596S Module – A Trivial Tale

There are different types of cheap Chinese dc-dc buck converter modules. The most popular module still widely available is one with the LM2596S adjustable regulator, it’s a pretty old design,  though. You can buy this […]

Aquarium Cooler Fan

A while back I made a mighty aquarium cooler fan which initially was going to have an Arduino microcontroller to control the automatic cooling system but I moved to a Digispak board when I found […]

Automatic Fragrance Dispenser

A cheerful idea to fragrance your room without burning is to use an electric/electronic fragrance dispenser. So simply build the automatic fragrance dispenser presented here and place scented crystal rocks/fragranced crystals in the chest and […]

Get Your Waves

Are you ready to go back into the old school electronics again? If so, be prepared to forget about microcontrollers for a few moments! This time I’d like to share my random thoughts on certain […]

Arduino Pro Micro Primer

Arduino can make USB devices! What you simply needed for a USB HID (Human Interface Device) project is the Arduino Pro Micro (Leonardo) board. Today, I’ll be introducing that pretty great minuscule Arduino board available […]