13 Sep '17, 8am

Reed Organ MIDI Conversion Tickles All 88 Keys

Reed Organ MIDI Conversion Tickles All 88 Keys

A reed organ is a keyboard instrument that channels moving air over sets of tuned brass reeds to produce notes. Most are fairly complex affairs with multiple keyboards and extra controls, but the one that [Willem Hillier] scored for free looks almost the same as a piano. Even with the free instrument [Willem] is about $500 into this project. Almost half of the budget went to the solenoids and driver MOSFETs — there’s a solenoid for each key, after all. And each one required minor surgery to reduce the clicking and clacking sounds that don’t exactly contribute to the musical experience. [Willem] designed custom driver boards for the MOSFETs with 16 channels per board, and added in a couple of power supplies to feed all those hungry solenoids and the three Arduinos needed to run the show. The video below shows the organ being stress-tested with the peppy “Flight of the Bumbl...

Full article: https://hackaday.com/2017/09/13/reed-organ-midi-conversio...

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Rory McIlroy's 5 keys to rip your driver:

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golfdigest.com 12 Sep '17, 10am

You might notice I'm wearing in-ear headphones. I like to listen to music when I practice to help improve my rhythm. I ten...