4 layers8.3 × 5 mm

DRV8311 on motor driver
techy-robot/Mighty-Micro-Motors
Tiny drone motors with a high reduction gearbox, a precise mangetic encoder, and a FOC controller
22 parts13CERN-OHL-S-2.0
KiCad boards from 1 GitHub repository tagged “micro”, the most starred first; open any of them in PCBKit.

techy-robot/Mighty-Micro-Motors
Tiny drone motors with a high reduction gearbox, a precise mangetic encoder, and a FOC controller