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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
Here’s a project for fun – Magnetic LED Throwies! LED Throwies were invented in 2006 by the Grafitti Research Lab in New York City to use as non-destructive graffiti. Build one (or several) yourself right […]
A few months ago, I read about some strange issues with Raspberry Pi Pico’s ADC. According to those stories, Raspberry Pi has confirmed its investigation of reports of a design flaw in the ADC (analog […]
