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, […]
Applications of Switches in Electronics
Switch is a electronic device that is used to make or break an electrical circuit. The primary application of switch is to ON-OFF any circuit. The different types of switches which are widely used across […]
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 […]
Types of Switches in Electronics
What is a Switch? A switch is an electromechanical device used to control power in electrical and electronic circuits by turning it on and off or it is also termed as make and break an […]
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. […]
9V Rechargeable Battery – Right & Wrong
The 6F22 9V battery is very popular rectangular battery quite often found in the drawer of an electronics hobbyist! Its most common names include 9V battery, 9-Volt battery, E battery, PP3 battery, 6F22 battery, MN1604 […]
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 […]