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Battery CR1225 coin cell cr1216 cr1220 cr1225 1xPP3 (9V) battery holder, Memory Protection Devices P/N BC2AAPC, http://www.memoryprotectiondevices.com/datasheets/BC2AAPC-datasheet.pdf 2xAA cell battery holder, Keystone P/N 2462, https://www.keyelco.com/product-pdf.cfm?p=1027 1xAAA Battery Holder, 2479, Battery Type 3xAA battery CR1225 coin cell vertical Cherry MX keyswitch, 1.25u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 2.75u, PCB mount, https://www.neutrik.com/en/product/nl4md-v-r speakON Chassis Connectors, 4 pole male XLR receptacle, grounding: without ground / shell contact, lateral right PCB mount, https://www.neutrik.com/en/product/nc5mav B Series, 5 pole female XLR receptacle, switching contacts, grounding: separate ground contact to mating connector shell to pin1 and front panel, steel retention lug, horizontal PCB mount, replaces NLJ2MD-V, https://www.neutrik.com/en/product/nlj2mdxx-v speakON Chassis Connectors, 4 pole chassis connector, black D-size flange, self tapping screw holes (A-screw), vertical PCB mount, https://www.neutrik.com/en/product/nl4md-h-3 speakON Chassis Connectors, 4 pole chassis connector, grey D-size flange, self tapping screw holes (A-screw), vertical PCB mount, https://www.neutrik.com/en/product/nc5fav B Series, 5 pole female XLR receptacle, grounding: without ground / shell contact, vertical PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc4fav-0 A Series, 4 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, lateral left PCB mount, retention spring, https://www.neutrik.com/en/product/ncj5fi-v Combo A series, 3 pole male XLR receptacle, grounding: without ground / shell contact, lateral right PCB mount, https://www.neutrik.com/en/product/ncj5fi-h-0 neutrik jack combo a Combo A series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, switched, fully threaded nose, sleeve contact/front panel connection, https://www.neutrik.com/en/product/nrj6hf-1-au Slim Jacks, 6.35mm (1/4in) mono jack, switched, half threaded nose, https://www.neutrik.com/en/product/nrj4hh Slim Jacks, 6.35mm (1/4in) switching stereo jack and switching ground contact, horizontal PCB mount, replaces NL4MD-H, NL4MD-H-1, NL4MD-H-3, https://www.neutrik.com/en/product/nl4mdxx-h-3 speakON Chassis Connectors, 4 pole male XLR receptacle, grounding: separate ground contact connected to the jack body made the height about right. It's easier to adjust CV output range, switch between 5v and 2.5v max (or whatever is configured). - Momentary-normal-off pushbutton to manually step. - SPST switch to adjust CV output range, switch between 5v and 2.5v max (or whatever is configured). Momentary-normal-off pushbutton to manually reset. LEDs: One per step, to set output voltages. (10) One potentiometer for internal clock rate. Switches: Momentary-normal-off pushbutton to manually reset. More repo cleanup, adopt github .gitignore file Select branches Hide Pull Requests revised README.md to rev 2 beta edits README.md file Binary files /dev/null and b/Datasheets/tl074-pinout.jpeg differ Binary files a/3D.

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