Tilden in the Globe & Mail

#4-40x1/2in Yellow Zinc Standoff, M/M, 1/4in threaded ends $0.50 #4-40 x 1/2" yellow zinc coated (chromate) steel standoff. IR Reflector sensor with leads $1.00 Reflective optical sensor with transistor output. 44mm Piezo Speaker $2.25 For making a LOUD beep, this piezo suits your need. Comes mounted in a plastic case with mounting tabs. Maxell LR44 […]

Hey! Are you in Calgary? Are you near Calgary? Is your name Calgary? If you answered yes to any of the first two questions (but not the third one - that's just plain weird), then you might be interested in hearing about the Mini Maker Faire that's happening here in the city tomorrow. From 10am […]

These are thermal, not Infrared cameras, returning temperature data in a tight and tidy bundle that can be plugged into Android, IOS, and other USB devices (like Raspberry-Pi SBCs!). What use is it? Here's what we've done with it over the last month: And it's small. The basic unit starts at just over $220, and […]

Arc Reactor Kit Build Instructions Here's a quick blog on how to assemble the Arc Reactor Kit - Limited Edition. 1. Remove brown paper from all 4 acrylic pieces - the pieces are actually clear, so remove all the paper from both sides.