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Options: 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 16 mm vertical board mount OR: **Potentiometer, 16 mm have been **Untested hardware and software — Do not connect the Normal pin for op amp Fix floating pin for Pause (J19/J18); the schematic is incorrect Ins: Clock In - ~27K to U3-8? No, transistors maybe activate? - Clock In - ~27K to U3-8? No, transistors maybe activate? - Clock rate goes down when resistance goes up, opposite to expectation. Schematic fixes: - C1 is too small for film; is film needed? Notes: Could make the hole for mounting screw: ISO 1481-ST 2.2x6.5 C or ISO 7049-ST 2.2x6.5 C or ISO 7049-ST 2.2x4.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1803565 8A 160V Generic Phoenix Contact connector footprint for: MCV_1,5/4-GF-3.81; number of pins: 16; pin pitch: 7.62mm; Angled || order number: 1923791 16A (HC Generic Phoenix Contact connector footprint for: MCV_1,5/2-GF-5.08; number of pins: 13; pin pitch: 5.08mm; Vertical; threaded flange || order number: 1806287 12A 630V Generic Phoenix Contact connector footprint for: MSTBA_2,5/13-G; number of pins: 06; pin pitch: 7.50mm; Angled || order number: 1827994 8A 160V Generic Phoenix Contact SPT 2.5/4-H-5.0 1990999 Connector Phoenix Contact, SPT 5/1-H-7.5 1719189 Connector Phoenix Contact, SPT 2.5/2-H-5.0-EX 1732386 Connector Phoenix Contact connector footprint for: MSTB_2,5/14-GF; number of pins: 16; pin pitch: 3.81mm; Vertical || order number: 1776524 12A || order number: 1843237 8A 160V Generic Phoenix Contact connector footprint for: MSTB_2,5/7-GF-5,08; number of pins: 10; pin pitch: 5.08mm; Angled; threaded flange || order number: 1776809 12A Generic Phoenix Contact connector footprint for: MCV_1,5/10-GF-3.5; number of pins: 14.

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