Wet Floor Warning LED Sign
It’s human nature to let our guard down temporarily and be distracted by random thoughts or doing multiple activities. A momentary lapse of attention that ends in a slip can led to a variety of […]
Self-Dimming LED Lamp
Described here is the do-it-yourself project of a simple self-dimming lamp. The self-dimming lamp is powered by a rechargeable 9V battery and features a push-button switch that triggers one bright LED as the emitter and […]
Automatic Driveway Light Controller
More and more homeowners realize the advantage of having an automatic driveway light. An automatic driveway light is very convenient and an excellent way to save electricity. Now it’s easy to automate an already existing […]
Peephole Proximity Sensor
Peephole proximity sensor presented here is an inexpensive nearness detector for hobby electronics projects and home automation applications, where we need to sense the presence of a person (or object) in front of an entry […]
A Tiny Task Light
Ever wondered how to build a multimode task light, and how to use a single button switch to change the mode of brightness? I too was curious about it so I studied many things about […]
Tiny USB Windows® Key
In this post, you can see a tiny, yet quite useful, microcontroller-based USB key/Foot Pedal for Windows™ computers as a little do-it-yourself project. It is particularly geared as single function key, but other usages are […]
A Funny Digital Toggle Switch
This time I’d like to share my funny thoughts on the build of a very ‘hobbyist’ digital toggle switch device. The project idea keeps things as simple as they can be. You have a sensor […]
Making an Acrylic Display with Arduino
While I was browsing the listing of art and craft materials on Amazon, I chanced upon acrylic sheets but I didn’t consider much of it. In fact, given a great discount offer to buy a […]
USBtinyISP Primer
While Googling for nothing, I noticed a little device “USBtinyISP” helpful for programming Attiny85 microcontrollers using the same setup method as for handling Arduino sketches. There’s also no difference in the development environment as we […]
Attiny85 Programming Adapter for Arduino
Using an Attiny85 microcontroller is an attractive and economical way to build a minuscule Arduino project backed by a few lines of code. Very often such a project will demand an external adapter to program […]