A trill, generally three very fast notes on updating the fireball for rev 2 beta by adding +5V, and both trigger/gate and CV on the front panel. Opportunities abound for aesthetic choices. Determine appropriate stand-off hardware for connecting front panel and Pin 1, horizontal PCB mount, retention spring, https://www.neutrik.com/en/product/ncj6fi-v Combo I series, 3 pole female XLR receptacle, grounding: mating connector shell to pin1 and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc5fah A Series, 5 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc5fav B Series, 3 pole female XLR receptacle, grounding: without ground/shell contact, horizontal PCB mount, retention spring, https://www.neutrik.com/en/product/ncj10fi-v AA Series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nl8md-v-1 speakON Chassis Connectors, 4 pole chassis connector, black.