Arduino Trivia Box is a Gift Unto Itself

There’s something about impressing strangers on the Internet that brings out the best in us. Honestly, we wouldn’t be able to run this site otherwise. A perfect example of this phenomenon is the annual Reddit Secret Santa, where users are challenged to come up with thoughtful gifts for somebody they’ve never even met before.

For his entry into this yearly demonstration of creativity, [Harrison Pace] wanted to do something that showcased his improving electronic skills while also providing something entertaining to the recipient. So he came up with a box of goodies which is unlocked by the successful completion of a built-in trivia game tailored around their interests. If this is how he treats strangers, we can’t wait to see what he does for his friends.

Hardware packed into the lid so the box itself remains empty.

There’s quite a bit of hardware hidden under the hood of this bedazzled gift box. The primary functions of the box are handled by an Arduino Nano; which runs the trivia game and provides user interaction via a 16×2 LCD, three push buttons, and a buzzer. Once the trivia game is complete, a servo is used to unlock the box and allow the recipient access to the physical gifts.

But that’s not the only trick this box has hidden inside. Once the main trivia game is complete, a ESP8266 kicks into action and advertises an access point the user can connect to. This starts the second level of challenges and gifts, which includes a code breaking challenge and gifted software licenses.

The project wasn’t all smooth sailing though. [Harrison] admits that his skills are still developing, and there were a few lessons learned during this project he is unlikely to forget in the future. Some Magic Smoke managed to escape when he connected his 5V Arduino directly to the 3.3V ESP8266, but at least it was a fairly cheap mistake and he had spares on hand to get the project completed anyway.

This project is reminiscent of reverse geocache boxes which only open when moved to a certain location, but the trivia aspect makes it perfect even for those of us who don’t want to put pants on just to receive our Internet gifts.

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