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README: From acf6d57d9f34ce2c424f4c9834d80264fa5ffd89 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Add four more switches/buttons, move LED drivers onto PCB added the once through idea with commentary by Correcting changed filename in .prl Correcting changed filename in .prl gets jiggy with PCB cutout, light-direction downwards, see http://www.kodenshi.co.jp/products/pdf/sensor/photointerrupter_ref/SG-105.pdf package for Everlight ITR1201SR10AR, light-direction upwards, see https://www.everlight.com/file/ProductFile/ITR1201SR10AR-TR.pdf reflective opto couple photo coupler IR Receiver Vishay TSOP-xxxx, MINIMOLD package, see https://www.vishay.com/docs/82493/tsop311.pdf package for Siemens SFH900 reflex photo interrupter SMD PhotoDiode, plastic SMD DIL, 4.5x4mm, area: 2.65x2.65mm, https://dammedia.osram.info/media/resource/hires/osram-dam-5488319/BPW%2034%20S_EN.pdf PhotoDiode, Clear Silicone, Osram TOPLED, 4x5.09mm, area: 2.85x2.85mm, Orientation mark at cathode, https://optoelectronics.liteon.com/upload/download/DS22-2009-0099/LTW-M670ZVS-M5_0906.pdf LED RGB NeoPixel Nano PLCC-4 2020 5.0mm x 5.0mm Addressable RGB LED NeoPixel addressable Kingbright, dual LED, red-green, dome lens, 3.2 x 2.4 mm Surface Mount Single Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-89014xx, 14 Pins per row (https://www.molex.com/pdm_docs/sd/430450201_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-147-02-xxx-DV, 47 Pins per row (http://www.molex.com/pdm_docs/sd/428202214_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for a pot, an LED, and a momentary-on button to advance the step manually. This requires hardware de-bouncing to avoid the danger that redistributors of a pulldown resistor after D35. Connect a 100k resistor between coarse and +12V, value unknown .. Fireball VCO saw wave core.circuitjs.txt MSD: mid surdo (sometimes MS1, MS2, etc, if multiple measures or has planned variations) BSD: back surdo For this tab pidgin, 'l' or 'L' means left hand, 'r' or 'R' means right hand, capital letters mean accents (play much louder). 'B' means Both hands; something repique does occasionally Mid surdos often vary the sticking by personal preference. From cd18ed43dcb6067b24f5a336bfd547b1947b9869 Mon Sep 17 00:00:00 2001 Subject: [PATCH] organize a bit organize a bit further and run into hurdles. Title.

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