I recently created a simple pen ploter on my reprap machine: The pen mount is designed and printed by me, it uses rubber band to push the pen against the paper and a stepper motor to lift it. Here is a short video where you can have a better look at the mechanism: I use python for all the stuff: most of the things you can see on the video are just bitmaps which are converted to gcodes in sucby plastruktor - Look what I made!
Well it is not that difficult: I start with sheet music which i convert to a computable data, then i convert it to frequencies and lengths of the particular notes, then it is converted to the feedrates (which are directly proportional to the frequencies) i put in gcodes. I also need to compute how far the table needs to be moved to generate a sound of the required length at the required feedrateby plastruktor - Look what I made!
I came up with an idea to play some music on my mendel prusa, hope you enjoy it! Star Wars main theme Star Wars - The Imperial Marchby plastruktor - Look what I made!