These are the design files for the Music Thing Modular Spring Reverb.
Full details about the module are in this rather long Medium post
You can buy full kits for the Spring module here at Thonk, and here's the kit for the expander.
The quickest way to find solutions or report issues is here in the issue log
Eagle CAD PCB files for:
The draft BOM is here on google drive
Spring is Open Hardware All hardware and software design in this project is Creative Commons licensed by Tom Whitwell: CC-BY-SA: Attribution / ShareAlike If you use any work in this project, you should credit me, and you must republish any changes you make under the same license. This license does permit commercial use of these designs, but consider getting in touch before selling anything. This license does not permit you to use the name Music Thing Modular. Please do not use the name 'Spring' or 'Music Thing Modular' for any derivative works.