Month: August 2010

Teeny Tiny DSLR Camera Replicas

The geniuses at Photojojo (who brought you the awesome camera lens coffee mug) have come up with another brilliantly fun photography gift. These tiny replica DSLR cameras come complete with interchangeable lenses. This rare and tiny gem is a superbly detailed and a very real-looking 1/6 scale model of your own life-sized DSLR with every […]

How-To: Liquid-Cooled Carseat

How-To: Liquid-Cooled Carseat

Instructables user kstruve writes: I currently live in the Phoenix, Arizona area, which gets mighty hot in the summer. This summer, we’ve had several days around or above 110 degrees. I have twin baby boys, and despite cracking the windows, using reflective seat covers and running the A/C full blast when driving them around, their […]

DWex, an Arduino watch

Florin wanted a MakerBot watch but they were never in stock. So he made his own! He calls it the DWex, which stands for the ‘Duino watch for experimenters. This watch is built around a 3V-powered ATmega328P running at 8MHz. Time is shown using 2 circles of 12 LEDs, in a manner similar to an […]

Make: Projects – Ball-in-cage alarm switch

Make: Projects – Ball-in-cage alarm switch

I’ve been looking for an excuse to build one of these clever tamper-detecting switches for a long time. When a mystery critter recently started raiding the fresh catnip I grow outside as a treat for my indoors-only cat, I saw my opportunity. Sure, I could’ve bought or borrowed a commercial trail camera, or hacked a PIR motion detector circuit, or set up an IR webcam with software-level motion detection, but I’ve long been charmed by the simple low-tech design of the ball-in-cage switch.