As elevators become more and more indispensable in people's lives, safety has become more of a concern. Overloading is an important contributing factor to elevator accidents. Most existing elevators ...

How does it work? In this prototype, we only consider two floors, the ground floor and the 2nd floor. After all the passengers enter the elevator, someone needs to press the close button. Then we ...

Anyone can make and distribute them and their software, they’re extremely inexpensive, and upgrades are being made all the time. Plug-in circuit modules called “shields” let you connect an Arduino’s ...

Episode 5 summary: This week’s episode required teams to harness the power of a waterfall to build a self-sustainable elevator. Each team was given four days and $5,000 to complete the challenge. RED ...