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PCB Notes.txt Notes from MK's PCB livestream Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals 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 rounding teh top edge. [mm] top_rounding_radius = 8; // Cylinder faces to use for the Adafruit Feather M0 RFM series of boards, https://learn.adafruit.com/adafruit-feather/feather-specification Footprint for Mini-Circuits case GP731 (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 CD542 (https://ww2.minicircuits.com/case_style/CD542.pdf) using land-pattern PL-052, including GND-vias (https://www.minicircuits.com/pcb/98-pl258.pdf Footprint for Mini-Circuits case YY161 (https://ww2.minicircuits.com/case_style/YY161.pdf) using land-pattern PL-049, including GND-connections and vias (https://ww2.minicircuits.com/pcb/98-pl049.pdf Ai Thinker Ra-01 LoRa module wireless zigbee 802.15.4 thread nordic raytac nrf52840 nrf52833 Bluetooth Low Energy Module ble module st bluetooth Taiyo Yuden NRF51822 Module Bluetooth https://www.yuden.co.jp/wireless_module/document/datareport2/en/TY_BLE_EYSGJNZ_DataReport_V1_9_20180530E.pdf Taiyo Yuden NRF51822 Module Bluetooth RF transceiver THT style https://www.rfsolutions.co.uk/downloads/1456219226DS-ZETA.pdf Laird Technologies BMI-S-205-F Shielding Cabinet Two Piece SMD 39.60x39.60mm (https://assets.lairdtech.com/home/brandworld/files/Board%20Level%20Shields%20Catalog%20Download.pdf Laird Technologies BMI-S-102 Shielding Cabinet One Piece SMD 36.83x33.68mm (https://assets.lairdtech.com/home/brandworld/files/Board%20Level%20Shields%20Catalog%20Download.pdf Laird Technologies BMI-S-205-F Shielding Cabinet THT 61x61mm Signal Relay, 10x6mm, 2 Form C, Gull Wings, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Data+Sheet%7F108-98001%7FZ.1%7Fpdf%7FEnglish%7FENG_DS_108-98001_Z.1.pdf TE IM-Series Relay DPDR Pitch 3.2mm AXICOM IM-Series Relays, DPDR, Pitch 3.2mm, http://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Specification+Or+Standard%7F108-98001%7FV%7Fpdf%7FEnglish%7FENG_SS_108-98001_V_IM_0614_v1.pdf%7F4-1462039-1 AXICOM IM-Series Relay SPDT High Capacity Relay, SPST-NO Form A, vertical mount, 6A, 5-60V, https://www.fujitsu.com/sg/imagesgig5/ftr-ly.pdf relay SPST-NO form A relay Sanyou SRD series Form C http://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Data+Sheet%7FRT2_bistable%7F1116%7Fpdf%7FEnglish%7FENG_DS_RT2_bistable_1116.pdf%7F1-1415537-8 Relay DPDT Schrack-RT2 RM5mm 16A 250V AC Relay Relay SPST High Capacity Panasonic Relay SPST Schrack-RP-II/1 RM3.5mm 8A 250V AC Form A http://www.sanyourelay.ca/public/products/pdf/SRD.pdf relay Sanyu SRD form A relay Sanyou SRD series Form C http://image.schrack.com/datenblaetter/h_rp810012-b.pdf Relay SPST Schrack-RT2 RM5mm 16A 250V AC.

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