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Dot SA15-11xxx single digit 7 segment yellow, https://docs.broadcom.com/docs/AV02-2553EN One digit 7 segment orange common anode Single digit 7 segment display 38.1mm 1.5inch single digit 7 segment red LED display Dubble digit hyper red LED display Double digit seven segment super bright orange 7 segment yellow LED display Double digit seven segment super bright yellow 7 segment orange LED One digit 7 segment ultra bright red Dubble digit hyper red LED with dot One digit 7 segment high efficiency red, https://docs.broadcom.com/docs/AV02-2553EN -1 overflow 7 segment brilliant yellow green LED One digit LED 7 segment display 38.1mm 1.5inch single digit 7 segment green, https://docs.broadcom.com/docs/AV02-2553EN One digit 7 segment high efficiency red One digit 7 segment green, https://docs.broadcom.com/docs/AV02-2553EN One digit 7 segment brilliant yellow green LED 4 digit 7 segment LED display Double digit seven segment super bright yellow LED display Double digit seven segment super bright orange LED Single digit 7 segment green, https://docs.broadcom.com/docs/AV02-2553EN -1 overflow 7 segment orange common anode Single digit 7 segment yellow -1 overflow 7 segment green LED display 3 1/5 digit reflective arrow bat + 7 + 8); // pot + led + switch? Col_right = width_mm - thickness*2; // pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## Photos ### Photos ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules schematic start, and some example modules f80e4975fb.

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