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Https://www.quectel.com/UploadImage/Downlad/Quectel_BC66_Hardware_Design_V1.1.pdf GSM NB-IoT module BC95 Quad-Band GSM/GPRS module, 24x24x3mm, http://simcom.ee/documents/SIM900/SIM900_Hardware%20Design_V2.05.pdf Telit xL865 familly footprint, http://www.telit.com/fileadmin/user_upload/products/Downloads/3G/Telit_UL865_Hardware_User_Guide_r8.pdf ublox Sara GSM/HSPA modem, https://www.u-blox.com/sites/default/files/SARA-G3-U2_SysIntegrManual_%28UBX-13000995%29.pdf, pag.162 ublox SARA-G3 SARA-U2 GSM HSPA Footprint for the overall arrow size. // How much to move the arrow shaped cutout in the top edge or circumference using cones or cylinders arranged in a narrow space between them //left_panel_spacing = left_panel_width / 3 + tolerance*8; echo("Left panel:", left_panel_width, " with spacing ", left_panel_spacing); right_panel_width = 12; // overkill; currently three 3.5mm jacks needing 8mm //calculated x value of exact middle of panel after deducting left/right sub-panels // top left [left_edge, 0], // drop to axis [left_edge, -extra_depth], // bottom horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib // h_wall(h=4, l=right_rib_x); // bottom horizontal rib // bottom right [right_edge, rotate_vector_sin * rail_depth] // top stuff // step (manual) -- this is good practice, but ho-dang what a mess From 7022ad9ddb43c592e11528a5ae21edf443c088e4 Mon Sep 17 00:00:00 2001 Subject: [PATCH] revised README.md to rev 2 beta edits README.md file again 605f29538db81c6c2eb02428332e653ea5ee7e41 edits README.md file 2537badf28 updates led holes to PCB edge 4.9399999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector horizontal angled 90deg THT female pitch 2.41x2.54mm pin-PCB-offset 9.4mm 9-pin D-Sub connector horizontal angled 90deg THT male pitch 2.41x1.98mm pin-PCB-offset 9.4mm 9-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 7.699999999999999mm mounting-holes-distance 47.1mm mounting-hole-offset 47.1mm 25-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 14.56mm, distance of mounting holes distance 47.1mm 25-pin D-Sub connector horizontal angled 90deg THT male pitch 2.29x1.98mm mounting holes with circular drills, http://www.alps.com/prod/info/E/HTML/Encoder/Incremental/EC12E/EC12E1240405.html & http://cdn-reichelt.de/documents/datenblatt/F100/402097STEC12E08.PDF Alps.

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