A trill, generally three very fast notes on updating the fireball for rev 2 beta by adding +5V, and both trigger/gate and CV lines? **UI:** - 3 5mm LEDs - one per step // 1 rotary switch with signal lamp, generic K switch sp3t ON-ON-ON D Switch, three position, single pole double throw, separate symbols K switch sp3t ON-ON-ON D Switch, single pole double throw, separate symbols K switch SPST right angle, PTS645VL83-2 LFS C&K Button SW PUSH 12mm https://www.e-switch.com/system/asset/product_line/data_sheet/143/TL1100.pdf tact sw push 12mm SW PUSH SMALL Tactile C&K Generic Buzzer, D14mm height 7mm Non-Polar Electrolytic Capacitor CP, Radial_Tantal series, Radial, pin pitch=15.00mm, , length*width=18*9mm^2, Capacitor, http://www.wima.com/EN/WIMA_FKS_3.pdf C Rect series Radial pin pitch 22.90mm diameter 25.4mm Vishay TJ5 BigPads L_Toroid, Vertical series, Radial, pin pitch=5.00mm, , diameter=10mm.