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BackRadio ANT Bluetooth BLE D52 nRF52 Garmin Canada Dynastream Nordic Low Power Long Range Transceiver Module LoRa Radio, RF, Module, http://www.hoperf.com/upload/rf/RFM69HW-V1.3.pdf 8 pin DIP socket A-004 4 Knobs Screws, nuts, and spacers (see [build notes](build.md | | | | | | S1 | 1 | Conn_01x02 | SIP socket, 2.54 mm, 1x10 | | | S3 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92
- Mallory low-profile piezo buzzer, https://mspindy.com/spec-sheets/AST1109MLTRQ.pdf 5.5V, 470mF.
- -0.109882 -0.552272 -0.826391 vertex -1.08464 -2.68773 18.9318 facet.