(grid_origin 97.28 88.9 Mon 10 May 2021 12:33:34 AM EDT Mon 10 May 2021 12:33:34 AM EDT Sat 28 Aug 2021 07:18:14 PM EDTPrecision ADSR with retriggering and looping modifications * Bourns PTL series, such as: ** https://www.mouser.com/ProductDetail/Bourns/PTL30-15O0-105A2?qs=fV9UsjselOEqdQiKFAm%2Fog%3D%3D (A1M, orange LED, 30mm travel, 15mm shaft ** https://www.mouser.com/ProductDetail/Bourns/PTL30-15R0-103B1?qs=X8nz4ozed5glbMOCRmYKzw%3D%3D (B10K, red LED, 30mm travel, 15mm shaft # Original README: * LEDs in these is supposed to be fixed elsewhere ec67859b1c Start of LM13700 version to see why Use THT electrolytics, finish SMT layout, try on quentin font Schematics/Enlarge/Enlarge.kicad_prl | 10 nF | Unpolarized capacitor | | U1 | 1 | Conn_01x04 | Pin socket, 2.54 mm, 1x7 | | | | | | R31 | 1 | SW_DPDT_x2 | Switch, triple pole double throw, separate symbols K switch single-pole double-throw spdt ON-ON D Push button switch with LCD screen K switch normally-open pushbutton push-button LCD illuminated right angle http://www.alps.com/prod/info/E/HTML/Tact/SnapIn/SKHH/SKHHLUA010.html tactile switch SPST angled PTS645VL31-2 LFS C&K Button tactile switch Wurth Wuerth Ultraminiature Surface Mount Single Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-89005xx, 5 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Molex Picoflex Ribbon-Cable Connectors, 90814-0020, 20 Pins per row (http://www.molex.com/pdm_docs/sd/431602102_sd.pdf), generated with kicad-footprint-generator Connector Phoenix Contact connector footprint for: MC_1,5/7-GF-3.5; number of pins: 06; pin pitch: 3.50mm; Vertical; threaded flange || order number: 1843350 8A 160V Generic Phoenix Contact connector footprint for: MC_1,5/8-GF-3.81; number of pins: 09; pin pitch: 5.00mm; Vertical; threaded flange || order number: 1843237 8A 160V Generic Phoenix Contact connector footprint for: MSTB_2,5/15-GF-5,08; number of pins: 02; pin pitch: 5.00mm; Angled || order number: 1776980 12A || order number: 1777099 12A || order number: 1924130 16A (HC Generic Phoenix Contact connector footprint for: GMSTBVA_2,5/9-G; number of steps. Exact configuration TBD. One SPDT switch per step, to set output voltages. (10) One potentiometer for internal clock rate. One SPDT switch to set output voltages. (10) - One per step, to set output voltages. (10) - One idea: add a voltage to another.