T.K. Hareendran, Author at Codrey Electronics

Light Intensity to Frequency Converter Module

November 11, 2018

Like the ducklings followed their mother around the pond, certain electronics hobbyists are still...

November 11, 2018

Here’s one simple circuit idea of a 4-digit 7-segment light emitting diode display module...

October 22, 2018

Let me have my say – it’s my habit to do things over again. Not a mere repeat of anything...

October 22, 2018

Grey is the neutral achromatic color midway between white and black – Am I right? If you want to...

October 16, 2018

Do you like the idea of high-voltage electronic sparking devices, but don’t have the time or...

October 12, 2018

USB LED Flashlight presented here is a simple do-it-yourself rechargeable flashlight with built in...

October 10, 2018

Late month I’d got an order from my neighboring client to build a pulse width modulation to...

October 10, 2018

While Googling for nothing, I noticed a little device “USBtinyISP” helpful for...

September 14, 2018

May it be a surprising title – Loafer’s LED Wick! Let it be, the article is nothing but the...

September 14, 2018

Here is a simple yet highly reliable thermal control circuit which can be used with almost all...