2 layers25.4 × 25.4 mm
TTGO T7-V1.5 BNO085 expansion board
m9cd0n9ld/IMU-VR-Full-Body-Tracker
Inertial Measurement Unit (IMU) based full body tracker for Steam VR.
2 parts125MIT
KiCad boards from 2 GitHub repositories tagged “tracking”, the most starred first; open any of them in PCBKit.
m9cd0n9ld/IMU-VR-Full-Body-Tracker
Inertial Measurement Unit (IMU) based full body tracker for Steam VR.

eGuardianDev/GRVR
Gyroscope Rotation (tracking in) Virtual Reality. Mpu6050 sensors and ESP-now protocol are used to track and transfer body movement.