Mini PCB Drill Speed Controller v1
This post explains how to build a mini PCB drill speed controller using a handful of common components you may already have stocked in your home lab. First off, let me say that this idea […]
Crazy Bomb Timer
In this post, you will find the construction details of a crazy bomb timer that can be built with the help of a handful of common electronics components available everywhere. Well, get ready to entertain […]
Flashing Yellow Gate Light for Automatic Gate/Garage Door
Flashing yellow lights are an essential part of sliding/swing gate and garage door automation systems, since they provide a clear indication that the system is installed and in operation. Thanks to LED technology, the total […]
LED Tap Light/Stick Touch Lamp Mod
This little post is about modifying a standard LED Tap Light/Stick Touch Light to run on the Arduino platform with additional features. Okay, let’s get started! Tap Light? So, what’s a Tap Light? Simply, the […]
Arduino NeoPixel LED Light Bar
As an active electronics hobbyists, I get to see a lot of applications for NeoPixel LEDs. In fact, this new breed of smart LEDs is great for a large number of fabulous hobby projects that […]
Glowing LED Eye for Little Toys
The objective of this little, and a bit odd, experiment is to explore the use of a single LED as a fancy glowing eye for toys and the use of a BJT as a simple […]
Lavet-type Stepping Motor & Quartz Clock Engine Hacks!
Wikipedia says the Lavet-type Stepping Motor is a special kind of single-phase stepping motor widely used as a drive-in electromechanical clock. Aside from clock drives, there are many variations of Lavet’s concept, and one example […]
Illuminated Dog Collar v1
Walking a dog in the dark is always a risky thing because both you and your dog are difficult to see. Fortunately, an illuminated dog collar helps you see and be seen during dog walks […]
Infrared Motor Speed Sensor – Refined Primer
A timely review is beneficial to all. So, here’s the long-awaited sequel of my old post about infrared motor speed sensors and motor speed sensor modules. This is the direct link to read that popular […]
Optical Needle Deflection Sensor
Sometimes you may want to detect the deflection of the needle of an instrument by a non-contact method. If so, this idea might help you! I will now show you a simple technique for optically […]