If you’ve ever wanted a way to monitor your doorbell from anywhere — complete with video and audio — Instructables user macgeek shows off how to build a system that monitors your doorbell, then kicks the video of the person at the door onto your iPhone.
There are lots of apps and gadgets to track your fitness progress. However, if you’d like to keep that data private, you need to roll your own. Instructables user gramsky shows how to create a system that tracks your movement with an Arduino.
Riding a bicycle at night can be dangerous for both cars and cyclists due to poor visibility in the dark.Electronics blogger Jenna DeBoisblanc shows off how to build a system that includes turn signals, a strobe light, speedometer and brake lights to keep you safe.
Voice controlled lights are one of those futuristic ideas that never really caught on for mass consumption, but if you want to make your own, DIYer Mike Pieters shows off how to do it.
By design, MP3 players are very modern looking devices, but if you’d like a little more retro flair, electronics blog Arduino Guay shows how to build a great looking MP3 player with an Arduino and a few spare parts.
Does your pet love to jump up onto furniture when you’re not around? Make author Mark Frauenfelder shows off his Monkey Couch Guardian designed to keep cats and dogs off the bed while you’re away.
You may have put together a unified notification system on your computer, but it doesn’t do a good job of notifying you when you’re away. Over at the Wired How-To Wiki, they’ve built an LED notifier that shines when you have new email — specifically, email related to new job openings when you’re on the hunt.
If you have something at your workspace that’s a pain to manually adjust — whether it’s your monitor, your webcam, a microphone or something else — DIY enthusiast Tom Price shows us how to control it with an old video game pedal.