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 […]
3D Printers & Endstops
With the start of a new year, I wanted to share more thoughts on Endstops! How to construct an endstop myself? This is by far the most common question I hear from 3DP tyros. So […]
How to Modify a Fake/Dummy CCTV Camera
I got an assortment of fake/dummy security cameras a while ago. The cheapo batch was made in China, and later marked with a brand, perhaps by the importer or distributor in India. Anyway, they are […]
Radar Light Bulbs & Random Views
When it comes to ways to reduce energy consumption there are many changes that you can make to your own home that have additional benefits for you. Note that reducing electricity consumption is just one […]
LED Strobe Primer – Part 1
Certainly, I’m not going to share something about constructing your own strobe for use in discotheques. Let me make little headway against the topic – LED strobes! Strobing? Yes, Strobing! Note that with the help […]
Photoelectric Light Sensor
It’s rather ridiculous to think how cheap you can get light sensor modules today. Sure, you’ll get those by online for a couple of coins! Most Chinese light sensor modules have a photo resistor or […]