This intermediate level Arduino class guides you through creating your first internet-connected electronics projects using a wifi breakout board.
Vertical farm design More
Professional Greenhouse Project commercial hydroponic systems
Solar-Wind hybrid system
I recently became interested in making camera triggers with an Arduino. My programming and electronics skills are still very basic, but it's cool to think I could actually build a robot.
8 Easy Physics Tricks To Try At Home
Infographic: Electricity A visual cheat sheet about electrical physics, containing the most important formulas of current and Ohm’s law expressed through an impossible water circuit analogy. (by Pierluigi Scotolati)
Compression and tension forces on six different types of bridges: beam, arch, suspension, cable-stayed, truss, and cantilever