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Series CO2 sensor, 1kHz PWM output, Modbus, THT co2 gas sensor pwm modbus Sensirion SCD4x QFN, 20 Pin (https://pdfserv.maximintegrated.com/package_dwgs/21-0139.PDF (T2044-5C)), generated with kicad-footprint-generator JST VH top entry JST EH series connector, BM06B-ZESS-TBT (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py HTSSOP, 24 Pin (https://semtech.my.salesforce.com/sfc/p/#E0000000JelG/a/44000000MDkO/lWPNMeJClEs8Zvyu7AlDlKSyZqhYdVpQzFLVfUp.EXs), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 32 Pin (https://www.st.com/resource/en/datasheet/stm32g071k8.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 2.7mm, height 4, Wuerth electronics 9774080951 (https://katalog.we-online.de/em/datasheet/9774080951.pdf), generated with kicad-footprint-generator Connector Phoenix Contact, SPT 5/12-V-7.5-ZB Terminal Block, 1732467 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1732467), generated with kicad-footprint-generator Hirose DF13C SMD, CL535-0410-4-51, 10 Pins per row, Mounting: Snap-in Plastic Peg PCB Lock (http://www.molex.com/pdm_docs/sd/039300020_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole M3, height 4, Wuerth electronics 9774130960 (https://katalog.we-online.de/em/datasheet/9774130960.pdf,), generated with kicad-footprint-generator ipc_gullwing_generator.py eSIP-7C Vertical Flat Package with Heatsink Tab https://ac-dc.power.com/sites/default/files/product-docs/linkswitch-ph_family_datasheet.pdf SIP4 Footprint for Mini-Circuits case GP1212 (https://ww2.minicircuits.com/case_style/GP731.pdf) following land pattern PL-176, including GND vias (https://www.minicircuits.com/pcb/98-pl176.pdf Footprint for Mini-Circuits case BK377 (https://ww2.minicircuits.com/case_style/BK276.pdf) according to land-pattern PL-005, including GND vias (https://ww2.minicircuits.com/pcb/98-pl236.pdf Footprint for Mini-Circuits case TTT167 (https://ww2.minicircuits.com/case_style/TTT167.pdf Footprint for the grant of the main module. It calls the submodules. Make_the_knob(); module make_the_knob() { difference() { union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 -6.57572 7.16319 facet normal 9.127763e-01 4.084597e-01 -0.000000e+00 vertex -1.045657e+02 9.849792e+01 2.655000e+01 facet normal -0.290276 -0.956943 -0 facet normal -9.480295e-01 -4.671082e-03 3.181483e-01 vertex -1.084545e+02 9.695134e+01 1.105996e+01 facet normal 0.0342449 0.29048 0.956268 vertex -0.119821 -7.15688 6.88072 vertex 6.96824 -0.194578 6.94018 facet normal 0.464683 -0.695452 -0.548102 vertex 2.37646 2.37646 18.4724 facet normal -0.0973251 -0.989359 0.108147 facet normal 0.271031 0.654318 0.705982 facet normal 0.241732 -0.796851 0.553709 facet normal 0.000419123 0.115684 0.993286 vertex -6.91658 0.991719 7.89187 facet normal -5.080608e-01 -8.613212e-01 -0.000000e+00.

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