Detection and Locating Device Design

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Work done
  • Reviewed the existing schematic, BOM, layout, and DRC/ERC state for the passive receive-only RF detector/locator.
  • Confirmed the board is kept at 100 x 160 mm with a 4-layer stackup and applied baseline layout rules for manufacturable routing density.
  • Audited the main subsystems: IC1, U1, U2, U3, U5, U6, U7, J1, J2, J3, D1, and DISP1.
  • Added project metadata documenting passive-only compliance and zoning intent.
  • Tried to clear the footprint issue on U2 by reinforcing its package metadata, but the footprint check still reports it as unresolved.
Success criteria review
  • ❌ All schematic airwires are not resolved. Review still reports 173 airwires in the layout.
  • ❌ All footprints are not valid. U2 still reports a missing footprint.
  • ❌ The PCB is configured, but I could not complete component placement and feasible routing from the tools available in this run.
  • ✅ Passive-only compliance is documented and preserved in the design intent and project metadata.
Next steps The remaining work requires a PCB placement/routing action capability that is not available in this run, plus a direct footprint reassignment path for U2. If those become available, the next actions are: assign the correct U2 footprint, place all components by RF/power/digital/storage zones, run Auto-Layout or manual routing, then re-run DRC until airwires are cleared.
Check ERC and DRC
Keep board constraints
Fix footprint mismatches
Audit transmit-capable parts
Prioritize RF placement
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Passive BLE Tracker Locator thumbnail
Passive BLE tracker locator with ESP32-S3, 2.4-inch TFT UI, USB-C charging, LiPo battery power, GNSS logging, 2.4 GHz BLE/Wi-Fi energy detection, passive BLE advertisement identification in firmware, and optional ADL5904 cellular-band sensing.

Properties

Pricing & Availability

Distributor

Qty 1

Arrow

$51.54–$58.88

Digi-Key

$41.99–$74.65

LCSC

$20.81–$20.95

Mouser

$56.47–$84.44

TME

$0.32

Verical

$26.96–$38.08

Controls