DEVLOG #27

I soldered a second PCB from revision 3, making the hardware for two mmWave sensors available. The software now keeps MMWAVE1 and MMWAVE2 separate through stable node identities and independent sequence, transform, and calibration state.

The mmWave transport also crossed an important milestone. Because best-effort UDP was not enough, firmware 0.1.6 now uses ACK-based retransmission. In a controlled 60-second comparison, sequence loss reached 0.00% and the radar_sequence_loss_free gate passed, compared with 0.70% loss and 84 full ACK timeouts on firmware 0.1.5.

The Tauri desktop shell has been replaced in the active build by a loopback control helper for discovery, provisioning, flashing, OTA, and WASM. I also created a new 3D-print file, which is currently being printed; the mechanical result is not finished yet.

Next: validate both sensor paths together, resolve the RX3 Phase 1 offset, and repeat the full radar preflight.