If you like to make music, but don’t consider yourself particularly talented, YouTuber Make It And Fake It has come up with an innovative solution.
Her device uses an Arduino Uno, along with a hobby servo motor to move a pair of chopsticks that holds the pick. This means that the guitar can literally strum itself, and thanks to a small control box, she can even select from one of three rhythm patterns.
If you’re wondering what this could be used for, the answer comes at 1:40 in the demonstration video, where Make It And Fake It is shown drinking tea, playing another instrument, and even texting her mom while still producing music from the guitar. Code for the build can be found on GitHub.
[Clare] isn’t the most musically inclined person, but she can strum a guitar. Thanks to a little help from an Arduino, she doesn’t even have to do that.
She built the strumbot, which handles the strumming hand duties of playing the guitar. While [Claire] does believe in her strumbot, she didn’t want to drill holes in her guitar, so hot glue and double-sided foam tape were the order of the day.
The business end of the strumbot is a micro servo. The servo moves two chopsticks and draws the pick across the strings. The tiny servo surprisingly does a great job getting the strings ringing. The only downside is the noise from the plastic gears when it’s really rocking out.
Strumbot’s user interface is a 3D-printed case with three buttons and three LEDs. Each button activates a different strum pattern in the Arduino’s programming. The LEDs indicate the currently active pattern. Everything is powered by a USB power pack, making this a self-contained hack.
[Clare] was able to code up some complex strum patterns, but the strumbot is still a bit limited in that it only holds three patterns. It’s good enough for her rendition of “Call Me Maybe”, which you can see in the video after the break. Sure, this is a simple project, not nearly as complex as some of the robotic guitar mods we’ve seen in the past. Still, it’s just the ticket for a fun evening or weekend project – especially if you’re introducing the Arduino to young coders. Music, hacking, and modding – what more could you ask for?
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