By T.K. Hareendran

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

Automatic Thermo Fan Switch

Thermo fans are an important part of thermal management for high-power electronics because when the temperature increases, performance can suffer, and beyond the point where performance degradation begins, excessive temperature causes catastrophic damage to delicate […]

Dancing Slime – DIY Kid’s Electronics

What is sound energy and how does it interact with a non-Newtonian fluid (https://en.wikipedia.org/wiki/Non-Newtonian_fluid)? This is just an attempt to get a variety of non-Newtonian materials “dancing” on a subwoofer using sound waves. Inspiration – […]

Arduino Automatic Wake & Halt Switch

Nowadays you can see many dc power supply modules equipped with an additional remote-controlled shutdown (or on/off) feature. It allows you to control the power supply output with a signal switch or transistor. Some time […]

Self-Dimming LED Lamp

Described here is the do-it-yourself project of a simple self-dimming lamp. The self-dimming lamp is powered by a rechargeable 9V battery and features a push-button switch that triggers one bright LED as the emitter and […]

Electronic Signal Selector Switch Module

If you’re an audiophile, often you have to purchase rotary audio input selector switches for your home audio projects. You can of course buy such selector switches and selector switch modules via usual online channels […]

LED Strobe Primer – Part 2/Final

This is the concluding part of the LED strobe article published last year (https://www.codrey.com/electronic-circuits/led-strobe-primer-part-1/). During this long period (sorry for the inadvertent delay) I have already shared several strobe light ideas. But the sequel to […]