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Photos ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use for the Adafruit Feather 32u4 RFM series of boards, https://learn.adafruit.com/adafruit-feather/feather-specification Footprint for Mini-Circuits case GP1212 (https://ww2.minicircuits.com/case_style/GP731.pdf) following land pattern drawing: https://ww2.minicircuits.com/pcb/98-pl094.pdf Footprint for Mini-Circuits case CD636 (https://ww2.minicircuits.com/case_style/CD636.pdf) following land pattern PL-012, including GND vias (https://www.minicircuits.com/pcb/98-pl176.pdf Footprint for Mini-Circuits case QQQ130 (https://ww2.minicircuits.com/case_style/QQQ130.pdf Footprint for the Adafruit Feather WICED Wifi board, https://learn.adafruit.com/introducing-the-adafruit-wiced-feather-wifi Adafruit Feather 32u4 FONA board, https://learn.adafruit.com/adafruit-feather-32u4-fona Adafruit Feather M0 RFM Footprint for Mini-Circuits case GP731 (https://ww2.minicircuits.com/case_style/GP731.pdf) following land pattern PL-079, including GND vias (https://ww2.minicircuits.com/pcb/98-pl236.pdf Footprint for SSR made by offering access to copy the files and the following boilerplate identifying information. (Don't include the brackets!) The text should be the same as Infineon_AG-ECONO2, https://www.littelfuse.com/~/media/electronics/datasheets/power_semiconductors/littelfuse_power_semiconductor_igbt_module_mg1225h_xn2mm_datasheet.pdf.pdf 24-lead TH, Package H, https://www.littelfuse.com/~/media/electronics/datasheets/power_semiconductors/littelfuse_power_semiconductor_igbt_module_mg1215h_xbn2mm_datasheet.pdf.pdf 28-lead TH, Package W, https://www.littelfuse.com/~/media/electronics/datasheets/power_semiconductors/littelfuse_power_semiconductor_igbt_module_mg1275w_xn2mm_datasheet.pdf.pdf 35-lead TH, EasyPIM 2B, same as Littelfuse_Package_H_XN2MM, https://www.infineon.com/dgdl/Infineon-FS75R07N2E4-DS-v02_00-en_de.pdf?fileId=db3a30432f5008fe012f52f916333979 35-lead TH, ACEPACK 2 CIB, PressFIT, https://www.st.com/resource/en/datasheet/a2c50s65m2-f.pdf 25-lead TH, SDIP-25L, https://www.st.com/resource/en/datasheet/stgips20k60.pdf Valve ECC-83-1 round pins Valve ECC-83-2 flat pins Mini-Pentode, 5-pin, e.g. JAN6418 Valve Mini-Pentode 5-pin JAN6418 Varistor, diameter 15.5mm, width 7.2mm, pitch 7.5mm size 81.5x15mm^2 drill 1.2mm pad 2.4mm Terminal Block WAGO 236-204 45Degree pitch 5mm size 15x8.3mm^2 drill 1.3mm pad 2.5mm terminal block Metz Connect Type171_RT13705HBWC, 5 pins, pitch 5mm, size 15x10.2mm^2, drill diamater 1.2mm, pad diameter 3mm, size source Multi-Contact FLEXI-E 0.15 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times 0.25 mm² wires, reinforced insulation, conductor diameter 2.4mm, see http://www.4uconnector.com/online/object/4udrawing/10688.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO.

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