By T.K. Hareendran

International Electronic Design Freelancer • Technical Author • Hardware βeta Tester • Product Reviewer
Articles Written 451

Cheap CH551G MCU with USB Controller – Part 1

It was during Christmas week last year that I received an unexpected gift packet from an online store in India. What caught my immediate attention in that collection was the very small microcontroller chip CH551G. […]

Mighty LED Flashgun v1

This article is a mere pointer on how to build a mighty light-emitting diode flashgun controller. The presented project idea is intentionally kept do it yourself-friendly by using easily available components. Before we step into […]

Micro Mouse Wiggler – DIY

Finding your computer asleep when you come back from your tea break might be annoying but what’s even more frustrating is when doing long software installs where screen lock and/or sleep mode may be enforced […]

HR202 Resistive Humidity Sensor – Half-Baked!

Electronics are sensitive to extremes of humidity, and moisture seems to be a key contributor to a variety of electronic-system failures. Conductivity in devices can be modified by high humidity, which can lead to corrosion […]