4 layers75.5 × 50.5 mm

Drone arm
iamdarshg/drone-arm
Reworked cheaper, maybe faster but less redundant drone controller.
112 parts2
Boards in 1 GitHub repository, designed in KiCad, that use the LG77LICMD by Quectel (SMD,7x7mm GNSS Modules ROHS). See how each wires it, with its parts, size, README and files; the LG77LICMD’s symbol, footprint and pinout are on its own page.

iamdarshg/drone-arm
Reworked cheaper, maybe faster but less redundant drone controller.