New SCC3733a-MSE Solarcell

Every once in a while we like to re-arrange the furniture. Sure, it's nice to have things look new and different, but most of the time we're just trying to make things just work better. This week we've done a little bit of restructuring of our Advanced category - we hope it'll make it easier […]

This mini-sumo design by Jeremy Bloyd-Peshkin features our wheels, and one of our favourite building materials, Sintra. We can't laser-cut sintra (PVC=bad stuff when burned), but milling it works well, as this builder shows. The asymmetric motor layout works, as proven by this contest-winning design (scroll to the bottom of the page).

#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 […]

Everyone is familiar with paracord bracelets - the cleverly woven wearable survival device that instantly unravels into many meters of useful and super strong nylon cord in case of necessity. These are useful for outdoorsy types, but what if you are an indoorsy type with a lot of electronic emergencies? Or a geek in need […]