A good LED grow light can replicate sunlight with full-spectrum light and day/night cycles, keeping plants lush and thriving even in a dark, windowless corner or basement. I have no fewer than 40 ...

Smartphones may give us an easy access to a light source, but for seeing objects at a distance or brightening a workspace in places like the attic or under the sink, you need the power and range of a ...

The IKEA Kortlinje is a digital clock that costs around 20 dollars, featuring a hygrometer and thermometer. It’s another ...

I wanted a clock that, annoyingly, didn’t seem to exist. Since childhood, my bedside clocks have been a series of red, seven-segment LED clock-radio specials from Walmart or Target. They are ...

Connect LEDs to Arduino digital pins Use resistors to protect LEDs Control LED states with digitalWrite() Create timing sequences with delay() Build a repeating control loop in Arduino code These same ...

When it comes to performance, there's a world of difference between the Raspberry Pi and Arduino. The former, after all, is technically a fully functional computer that can run games, word processors, ...

When you think of Arduino projects, your mind likely goes straight to RFID door locks, weather sensors, or automated plant watering systems. While these are undeniably pretty cool projects, you might ...

Tired of your old Arcade games which all looks and works in the same way? Want to create a quick fun game which you can enjoy with your friends and family without using any thought? You are at the ...

Each year, my photographic instrumentation students build very simple focus stacking systems. After several years, I decided to construct a more advanced version that could move a stepper-motor-driven ...

You might think that CD players and DVD players have had their run, but as it turns out, they are absolute goldmines for DIY projects. Pop one open and you'll find stepper motors, laser assemblies, ...

This project involves creating an interactive keypad-controlled LED matrix using an Arduino UNO development board. The goal is to design a system where pressing any button in a 3x3 matrix keypad will ...