LED Track Light & Spotlight – DIY Ideas
Building track lights and spotlights seems to be an obsession of mine. I built my first one in my school days or so, and this time my project thought is on simple power LED light […]
Poor man’s Over-Current Detector
Presented here is the basic circuit of an over-current detector built around a handful of easily available and inexpensive electronics components. This simple circuit for DC devices wakes up when the connected output load draws […]
Sewing Machine Light v1.0
Sewing is a complex art that requires a lot of skill, precision, and patience. So, it’s critical to be able to see what’s doing, and a well-lit needle zone is very essential. Some high-end sewing […]
Fishing Light Attractor – DIY
Using light is a common way to trap fish in fishery industry. Attracting fish by using artificial light source is to induce them to form a large shoal at night taking advantage of fish’s photo […]
Traffic Light LED Modules – Let’s Start
In this post, I will take a quick look at making traffic light projects. The model project will involve using only a little bit of affordable hardware that’s great for beginners and school students. Even […]
Laser Diodes & Drivers – An Improved Primer
Picking out a laser diode and its driver for your next design can easily turn into a multi-week project. Not only is it difficult to find the right laser diode in the highly fragmented market, […]
PWM Heatsink/Chip Cooling Fan
Interest has been growing in design ideas for controlling the speed of heatsink cooling fans in electronic equipments. This article will describe how to simply design and build a governable heatsink/chip cooling fan for your […]
Bicycle Electronic Horn Hack
I’m afraid, someone might wonder whether this was the right thing to do with a cheap bicycle electronic horn made in China! It’s quite natural all right, but let me take this space to explain […]
Portable UV Scorpion Detector (v1)
Having a moderate presence of scorpions in my locality, I recently bought a cheap ultraviolet (UV) flashlight in the hope of swaying them to move elsewhere. It’s because, a while ago I noticed that when […]
Build Light Indicator – Arduino Inside!
I recently got my hands on a string of COB LED modules with lens for a big project – smart driveway marker. I’m still tweaking things but I’m planning to share the project soon enough. […]