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BackExternal antenna espressif 20*15.4mm 2.4 GHz Wi-Fi and Bluetooth combo chip Single 2.4 GHz Wi-Fi Bluetooth external antenna espressif 15.4*15.4mm ESP32-S2-WROVER(-I) 2.4 GHz Wi-Fi and Bluetooth combo chip with U.FL connector, https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf D52M ANT SoC Module https://www.thisisant.com/assets/resources/D00001687_D52_Module_Datasheet.v.2.3_(Garmin).pdf RF SoC Radio ANT Bluetooth BLE D52 nRF52 Garmin Canada Dynastream Nordic Low Power Long Range LoRa Transceiver Module SMD-16 (https://www.hoperf.com/data/upload/portal/20181127/5bfcbea20e9ef.pdf LoRa Low Power Long Range LoRa Transceiver Module LoRa Radio, RF, Module, http://www.hoperf.com/upload/rf/RFM69HW-V1.3.pdf 8 pin DIP socket | | | R30 | 1 | SW_3PDT_x3 | Switch, dual pole double throw, illuminated paddle, http://www.nkkswitches.com/pdf/gwillum.pdf switch single-pole double-throw ON-OFF-ON D Single Pole Single Throw (SPST) switch, small symbol D Push button switch, generic, two pins | | R8, R10, R12 | 3 | 10uF | Electrolytic capacitor | | R1, R2 | 2 .../Unseen Servant/Unseen Servant.kicad_sch | 4 .../precadsr_Gerbers/precadsr-Edge_Cuts.gbr | 34 .../PCB/precadsr_Gerbers/precadsr-F_Mask.gbr | 4 | 100 nF | Unpolarized capacitor | | | | | U3 | 1 | B10k | **Potentiometer, 9 mm vertical board mount. \*\* Use only four (4) potentiometers, either 9 mm vertical board mount | | | Tayda | A-1955 | | R16, R18, R26 | 3 | 4.7k | Resistor | | | .
- Normal 2.208553e-01 9.753065e-01 -3.470281e-04.
- LED Display, 1-inch digit height, common anode, http://usasyck.com/products/AD-121F2_cat_e.pdf.