30 Jan '17, 3am

Annoy Your Neighbors with MIDI Musical Siren

Annoy Your Neighbors with MIDI Musical Siren

[Yannick], aka [Gigawipf] brings us this (mostly) musical delicacy: a 3D-printed siren that’s driven by a brushless quadcopter motor, and capable of playing (mostly) any music that you’ve got the MIDI score for. This is a fantastic quickie project for any of you out there with a busted quad, or even some spare parts, and a 3D printer. Despite the apparent level of difficulty, this would actually be a great quickie weekend build. First stop is Thingiverse, for the Mini Air Raid Siren model . Start that printing and get to work on the electronics. For the MIDI-to-ESC (electronic speed controller) conversion, any Arduino with USB support (ATmega32u4 or ARM boards) will work. The important bit is that you can run the MIDI-USB library . All that remains is a MIDI-to-servo pulse conversion and lookup table. Here’s [Yannick]’s file , but we’re guessing that you’ll want to tune yo...

Full article: http://hackaday.com/2017/01/29/annoy-your-neighbors-with-...

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