T.K. Hareendran, Author at Codrey Electronics

Raspberry Pi Pico Xmas Pixels

ago 3 hours

Happy Xmas is near, so it’s time to build your own festive lights to surprise your neighbors...

October 25, 2021

This is an update to an old project of mine that was printed almost a decade ago! Here is the link...

October 18, 2021

After posting the Backpack NeoPixel LED Safety Light project (), I received a lot of requests to...

October 11, 2021

This little post covers the construction details of sound reactive pixels which is pretty enjoyable...

October 8, 2021

I was after a cheap windproof electric lighter to use in and around the home. Well, they are cheap...

October 4, 2021

After a little bit of research, I discovered that building a portable ultrasonic distance meter...

September 29, 2021

Now is the time to make something that lights up! As promised in one of my previous posts...

September 21, 2021

Sometimes ago I wrote an introduction to Raspberry Pi Pico. Today I will show how to exploit its...

September 15, 2021

Raspberry Pi Pico is a microcontroller board from the Raspberry Pi foundation. It is an exciting...

September 13, 2021

The theory behind generating square wave is almost a trivial thing! A square wave is a signal that...