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(https://www.hoperf.com/data/upload/portal/20181127/5bfcbea20e9ef.pdf LoRa Low Power Long Range LoRa Transceiver Module Low Power Long Range Transceiver Module rf module lora lorawan Multiprotocol radio SoC module https://www.raytac.com/download/index.php?index_id=43 wireless 2.4 GHz Wi-Fi https://www.espressif.com/sites/default/files/documentation/esp32-s2-wroom_esp32-s2-wroom-i_datasheet_en.pdf 2.4 GHz Bluetooth ble zigbee 802.15.4 flash crypto ATSAMR21G18 AT45DB041E TECC508A U.Fi Class 4 Bluetooth Module with on-board Fireball/Fireball.kicad_pcb | 2 pin Molex header 2.54 mm spacing Q1, Q2, Q3, Q4, Q5 R1, R2, R23, R24 R3, R21, R27, R28 | 3 Hardware/Panel/precadsr-panel/fp-lib-table | 4 Hardware/PCB/precadsr/precadsr.sch | 247 (40 Dwgs.User user hide (0 "F.Cu" signal (31 B.Cu signal (32 B.Adhes user (33 F.Adhes user hide (42 Eco1.User user hide 42 Eco1.User user (43 Eco2.User user (44 Edge.Cuts user (45 "Margin" user (46 B.CrtYd user (47 F.CrtYd user (48 B.Fab user hide (0 "F.Cu" signal (31 B.Cu signal hide (31 B.Cu signal (32 B.Adhes user (33 F.Adhes user (34 B.Paste user (35 "F.Paste" user (36 "B.SilkS" user "B.Silkscreen" 37 "F.SilkS" user "F.Silkscreen" 40 "Dwgs.User" user "User.Drawings" 41 "Cmts.User" user "User.Comments" 42 "Eco1.User" user "User.Eco1" (43 "Eco2.User" user "User.Eco2" 46 "B.CrtYd" user "B.Courtyard" 47 "F.CrtYd" user "F.Courtyard" (48 "B.Fab" user (49 F.Fab user (aux_axis_origin 0 0 Y N 1 F N DEF SW_DPST_x2 SW 0 0 Y N 1 F N DEF MountingHole H 0 40 Y Y 1 F N DEF SW_SPST SW 0 40 0.0 0 LTYPE 5 15 330 5 100 AcDbSymbolTableRecord 100 AcDbLinetypeTableRecord 2 BYLAYER 70 0 3 0 ENDBLK 5 21.

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