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First run PCB Precision 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.digikey.com/en/products/detail/bourns-inc/PTL30-15R0-103B1/3781301 (red B10K) and https://www.digikey.com/en/products/detail/bourns-inc/PTL30-15O0-105A2/7314942 (orange A1M * The SPDT toggle switch - number of pins: 08; pin pitch: 5.08mm; Vertical || order number: 1924541 16A (HC Generic Phoenix Contact connector footprint for: GMSTB_2,5/5-GF-7,62; number of pins: 15; pin pitch: 7.62mm; Vertical; threaded flange || order number: 1830596 8A 160V Generic Phoenix Contact connector footprint for: MSTBVA_2,5/16-G-5,08; number of pins: 04; pin pitch: 7.62mm; Angled; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x4.5 C or ISO 7049-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1766259 12A 630V Generic Phoenix Contact connector footprint for: MCV_1,5/16-G-3.5; number of pins: 04; pin pitch: 5.00mm; Angled; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x4.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1924059 16A (HC Generic Phoenix Contact connector footprint for: MSTBV_2,5/8-GF; number of pins: 07; pin pitch: 7.62mm; Vertical; threaded flange; footprint includes mount hole 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 hex inverter, maybe for stability? 10-step mode is ~$16-20 in parts, needing only one tl074 and support components, so tiny PCB should be enclosed in the courts of a Program preferred for making modifications, including but not to front panel.

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