Useful links Racks https://en.wikipedia.org/wiki/Rack_unit Modular https://en.wikipedia.org/wiki/CV/Gate Eurorack Doepfer’s DIY page Eurorack format Mechanical details Doepfer A-100 Mechanical details Wikimodules (FR) Eurorack Rails DIY Guide Tiptop Audio Z-Rails Elby Designs – EuroSynth – FracRak Comparisons 1U Eurorack intellijel Mechanical Specifications Pulplogic 1U Tiles Elby Designs – 1U Utility Tiles Cool Synths The ASM-1 homepage Electronic CAD KiCad – A Cross Platform and Open Source Electronics Design Automation Suite http://gerblook.org Electronic Design Tools Okawa Electric Design – Engineering Design Utilities Electronic references @ “hyperphysics” Various topics http://earth.nullschool.net/ Blitzortung.org – Live lightning maps