Green

Introducing: the Legway

Introducing: the Legway

So as not to use the dreaded “S” word two times in a day, we’ll call this by its alternate name: the Legway, a step-powered vehicle. It’s actually a variation of the Universe Cycle, with handlebars. I’d love to see a video to see how wonky it is to drive. The builder says it’s not […]

Arduino HVAC servo thermostat

Arduino HVAC servo thermostat

Instructables user tikka308 writes: Because HVAC units use a lot of energy (particularly when in ‘air conditioning’ mode during hot summer months) and renters do not have the ability to easily implement energy star (i.e. more efficient) units or to regulate their tempature, I wanted to find a way, without making permanent changes, to control […]

CAD-a pult

CAD-a pult

Instructables user Bctcteacher writes: My students love to build things and throw stuff so let’s put both together! Now, for the green part. Let’s see if we can make something that is recyclable and fun! Looking around the classroom, I see lots of cardboard (used shipping boxes) and a good supply of Elmer’s glue. So, […]