The Soda Locker Vending Machine
With the rising popularity of electronic textbooks and laptops being used for schoolwork, the ubiquitous high school locker is becoming less and less necessary. So, students are left with a private storage space that they don’t really need. Why let it go to waste when you’re an enterprising young man with budding electronics and fabrication skills?
[Mistablik] is one such high school student who decided to take advantage of his unused locker. 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. Quite an ambitious project for a high school student, but the result speaks for itself.
Using an Arduino, coin acceptor, LCD screen, and a handful of other components, [Mistablik] started by prototyping the electronics in a shoebox. After his prototype was proven, he used his school’s laser cutter to fabricate an acrylic control panel and enclosure. Other than a couple of hurdles involving false coin triggers caused by static electricity, the process went smoothly and he was able to move onto the soda dispensing part of the build.
Because [Mistablik] was building this in his school locker, it was important that the build was entirely self-contained and that it wouldn’t require any modification to the locker itself. Once again he turned to the laser cutter to build a two-chute system for dispensing two varieties of soda. Using Fusion 360, he designed and 3D printed the dispenser mechanism.
The finished product fits nicely into his locker, and quickly became a source of chatter around the school. [Mistablik] even used the vending machine to ask his girlfriend to prom, a technique sure to win any geek lover’s heart. Vending machines are popular builds for hobbyists, as they are a fun way to combine electronics, mechanics, and programming. But, this project stands out for its unique requirements and inspiring story.
[thanks to Slartibartfast for the tip!]
Filed under: Arduino Hacks
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