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2mm height above PCB, https://www.keyelco.com/userAssets/file/M65p4.pdf Keystone type 107 battery holder Keystone Battery Holder SMD Tactile Switch, B3SL Middle Stroke Tactile Switch, B3SL Middle Stroke Tactile Switch for High-Density Mounting, 4.3mm height, https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf Surface Mount Single Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-89009xx, 9 Pins (http://www.farnell.com/datasheets/2157639.pdf), generated with kicad-footprint-generator Molex CLIK-Mate series connector, DF3EA-05P-2H (https://www.hirose.com/product/document?clcode=CL0543-0332-0-51&productname=DF3EA-5P-2H(51)&series=DF3&documenttype=2DDrawing&lang=en&documentid=0001163317), generated with kicad-footprint-generator Mounting Hardware, inside through hole 2.25mm, height 3, Wuerth electronics 97730456330 (https://katalog.we-online.com/em/datasheet/97730456330.pdf), generated with kicad-footprint-generator JST XH series connector, LY20-32P-DLT1, 16 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ103130.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 4 times 2.5 mm² wires, reinforced insulation, conductor diameter 1.25mm, outer diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_4Ucon THT Terminal Block Phoenix PTSM-0,5-7-2.5-H-THR pitch 2.5mm size 19.7x10mm^2 drill 1.2mm pad 2.4mm Terminal.

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