
DA37 head C
Fairank/WhisperTorch
声束手电 · A directional-audio engineering prototype with editable KiCad PCBs, a serviceable 3D-printable enclosure and ESP32/Pico firmware. Source-available for noncommercial use; range targets remain unverified.
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

Fairank/WhisperTorch
声束手电 · A directional-audio engineering prototype with editable KiCad PCBs, a serviceable 3D-printable enclosure and ESP32/Pico firmware. Source-available for noncommercial use; range targets remain unverified.

Fairank/WhisperTorch
声束手电 · A directional-audio engineering prototype with editable KiCad PCBs, a serviceable 3D-printable enclosure and ESP32/Pico firmware. Source-available for noncommercial use; range targets remain unverified.

Fairank/WhisperTorch
声束手电 · A directional-audio engineering prototype with editable KiCad PCBs, a serviceable 3D-printable enclosure and ESP32/Pico firmware. Source-available for noncommercial use; range targets remain unverified.

Fairank/WhisperTorch
声束手电 · A directional-audio engineering prototype with editable KiCad PCBs, a serviceable 3D-printable enclosure and ESP32/Pico firmware. Source-available for noncommercial use; range targets remain unverified.

Fairank/FieldDock
Compact iPhone companion hardware: editable PCB, mechanical CAD and portable firmware. Engineering prototype; original work available for noncommercial use.