esp32_loraprs/extras/cad/README.md

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FreeCAD tracker models

Rubber duck antenna:

  • antenna_base - base for rubber duck antenna, to be printed with PETG filament.
  • antenna_cover - cover for rubber duck antenna, to printed with TPU filament.

👉 Rubber duck antenna spiral widing was done with 1.3mm copper wire on 8mm aluminium scaffolding tube.

Tracker case:

  • aprs_tracker_e22_base - base for tracker case without battery compartment.
  • aprs_tracker_e22_cover - upper cover for headless tracker with screen and controls.
  • aprs_tracker_e22_antenna_ring - TPU filament ring placed under antenna.
  • aprs_tracker_e22_base_battery_lid - lid for battery compartment.
  • aprs_tracker_e22_base_battery - base for tracker case with battery compartment.
  • aprs_tracker_e22_cover_dv - DV cover version with holes for screen, encoder, ptt button, speaker, mic.
  • aprs_tracker_e22_encoder_knob - knob for encoder.