Back surdo (L for low, H for high R/L: accented note (right/left hand suggested * : trill, generally three very fast notes on updating the fireball for rev 2 beta by adding +5V, and both trigger/gate and CV routing 605f29538d edits README.md file 666c48f795 adds README.md file edits README.md file again edits README.md file again 8976a63dc0 edits README.md file 666c48f795106664bf9f1401667d0a4bc7a85e2a updates led holes to PCB edge 8.2mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 26-pin D-Sub connector straight vertical THT male pitch 2.29x1.98mm pin-PCB-offset 8.35mm mounting-holes-distance 63.5mm mounting-hole-offset 63.5mm 62-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 7.699999999999999mm mounting-holes-distance 25mm mounting-hole-offset 25mm 15-pin D-Sub connector straight rugged MUSB D511 USB 2.0 Type C (https://www.bulgin.com/products/pub/media/bulgin/data/Battery_holders.pdf Comfortable Electronic CR2450 battery holder, Memory Protection Devices P/N BC12AAPC, http://www.memoryprotectiondevices.com/datasheets/BC12AAPC-datasheet.pdf BC2003 CR2032 2032 Battery Holder BH-331P Battery Type 3xAAA Keystone type 3008 coin cell vertical Cherry MX keyswitch, 1.50u, PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc5fah-da A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc3fah1-da A Series, 3 pole female receptacle, grounding: without ground/shell contact, horizontal PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 1.25u.