After a “wouldn’t it be cool if…” discussion with his friends, [Mistablik] decided to use his summer break to construct a soda vending machine that fit entirely within his school locker.

The gist of it is that a compact robot arm is put into the drop area of a vending machine. After the flap is closed the wired remote control is used to raise up the telescoping arm, and grip the ...

In the video, which has garnered over 1 million views, Beasley demonstrates a sequence of buttons on a vending machine’s keypad, claiming it’s a code to access the machine’s interior.