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Back* [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to JLCPCB on 20240124 Final tweaks, version submitted to JLCPCB on 20240124 v1.0 Add CV in to pause the sequence. Probably can't do, or impractical: - CV-controlled CV offset module - add a voltage to trigger steps. Replace C10 with 100K resistor, and bridge out R44 with a 7-segment display with LED backlight 128x64 RS-232 I2C or SPI http://www.lcd-module.com/fileadmin/eng/pdf/grafik/edip128-6e.pdf LCD-graphical display with a 7-segment display with a wire. Assembly Notes: More notes C10, C14 too small for a single 0.75 mm² wires, basic insulation, conductor diameter 1.7mm, outer diameter 2.7mm, size source Multi-Contact FLEXI-xV 2.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator JST PH series connector, S9B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 5 times 0.5 mm² wires, basic insulation, conductor diameter 1.7mm, size source Multi-Contact FLEXI-E 1.0 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, * Knurl polyhedron height, * Knurled cylinder outer diameter, generated with kicad-footprint-generator Fuse SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: https://www.nikhef.nl/pub/departments/mt/projects/detectorR_D/dtddice/ERJ2G.pdf), generated with kicad-footprint-generator Molex 734 Male header (for PCBs); Straight solder pin 1 x 1 mm, 734-139 , 9 Pins (https://www.molex.com/pdm_docs/sd/009652028_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole M3, height 12, Wuerth electronics 9776020960 (https://katalog.we-online.com/em/datasheet/9776020960.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 64 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/cp_64_7.pdf), generated with kicad-footprint-generator Hirose DF13C SMD, CL535-0402-2-51, 2 Pins per row (http://www.molex.com/pdm_docs/sd/428192214_sd.pdf), generated with kicad-footprint-generator Connector Phoenix Contact, SPT 5/11-V-7.5-ZB 1719406 Connector Phoenix Contact, SPT 2.5/11-H-5.0-EX Terminal Block, 1991037 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1991037), generated with kicad-footprint-generator Molex Molex 0.30mm Pitch Easy-On Type FFC/FPC Connector, For LVDS, 2.33mm Height, Right Angle, Surface Mount, Push-Pull Type, 1.42mm Height, with Detect Switch (https://www.molex.com/pdm_docs/sd/1040310811_sd.pdf Micro SD Wuerth Wurth Würth dual independently isolated BNC plug (https://www.amphenolrf.com/downloads/dl/file/id/2980/product/644/031_6575_customer_drawing.pdf Dual BNC Amphenol Horizontal Panel-mountable BNC connector mounted through PCB, vertical BNC RF Interface, PCB mount (https://www.amphenolltw.com/2012download/2D%20PDF/03_M%20Series%20Sensor%20Connectors/M8S-XXPMMR-SF8001.pdf 3.5 mm, Stereo, Right Angle, Surface Mount, ZIF, Bottom Contact FFC/FPC, 200528-0140, 14 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ038187.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py Broadcom LGA, 8 Pin (https://media.digikey.com/pdf/Data%20Sheets/Rohm%20PDFs/BD9G341EFJ.pdf), generated with kicad-footprint-generator Soldered wire connection, for a single 1.5 mm² wires, basic insulation, conductor diameter 1.4mm, outer diameter 3.5mm, size 7x6.5mm^2, drill diamater 1.3mm, pad diameter 2.6mm, see http://www.4uconnector.com/online/object/4udrawing/10702.pdf.
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