Collin’s Lab: Switches
Elemental to electronics hardware, manually-operated switches are the simplest of electromechanical devices — and likely the most familiar.
Electronics
Circuit Skills: PWM (Pulse Width Modulation)
Collin explains Pulse Width Modulation, a simple method for controlling analog devices via a digital signal.
Collin’s Lab: Brainwave Beats
Measuring brainwaves is not just for neuroscientists anymore. So, how shall we use our newfound sensory powers?
Clock Built for Extraterrestrial Travelers
For those of you currently planning extraterrestrial trips, check out Alexander Avtanski‘s well-documented Mars Clock project. Built with a modem enclosure and other spare parts, the clock can tell time on any number of planets based on their rotation period. And if you’re organizing a Mars-based marathon, Alexander has you covered: the clock is capable […]
How-To: Solar TV remote
With the Solar TV Remote project from MAKE Volume 25, you’ll never have to replace your remote control’s batteries again. Instead, just leave it in the sun to charge up! This project is fairly easy and you may already have most of the tools and supplies you’ll need. It might also make you feel slightly […]
MAKE Presents: The Multimeter
Get acquainted with the Digital Multimeter – an engineer’s best friend! The ability to test resistance, voltage, current & continuity are vital to any electronics maker – even the freshest of newbies. In fact, having a reliable multimeter on hand is a huge help when learning the basics. Even before understanding what each value means, […]
Quiz-O-Tron 3000 Arduino quiz lockout system
If you’re an aspiring Alex Trebek with some Arduino skills, you should check out RoysterBot’s Instructable on how to make a Quiz-O-Tron 3000, an electronic quiz contestant lockout system, which allows contestants to “buzz in” during trivia games. He used it at a holiday party and therefore needed something sturdy enough to withstand the hand […]
