2 layers42 × 16 mm

Ble copter
dossalab/Syma-s107-bluetooth-mod
Better motherboard & custom firmware for Syma S107 toy helicopter
56 parts1
KiCad boards from 1 GitHub repository tagged “radio-controlled-aircraft”, the most starred first; open any of them in PCBKit.

dossalab/Syma-s107-bluetooth-mod
Better motherboard & custom firmware for Syma S107 toy helicopter