*http://www.bhphotovideo.com/bnh/controller/home?O=&sku=337638&is=REG&A=details&Q=
==Head-tracking==
Head-tracking with the MPU6050*using Wire interface - http://www.varesano.net/blog/fabio/initial-tests-freeimu-v04-and-mpu6050*using i2cdevlib - https://github.com/jrowberg/i2cdevlib/tree/master/Arduino/MPU6050/Examples/MPU6050_DMP6*http://www.geeetech.com/wiki/index.php/MPU-6050_Triple_Axis_Accelerometer_%26_Gyro_Breakout*IMU - https://dev.qu.tu-berlin.de/projects/sf-razor-9dof-ahrs/wiki/Tutorial*https://www.sparkfun.com/products/11028 or even cheaper from AmazonExample with Arduino Nano*http://www.geekmomprojects.com/mpu-6050-dmp-data-from-i2cdevlib/===FreeIMU===http://www.varesano.net/files/imagecache/500width/freeimu_v04_production_1.jpghttp://www.varesano.net/projects/hardware/FreeIMU ===GY-80===*https://github.com/vshymanskyy/GY80===GY-86===http://ecx.images-amazon.com/images/I/61laK%2BDIwfL._SL1500_.jpg*http://amzn.com/B00KDMJBFK ===IMUs for position===*https://developer.oculusvr.com/forums/viewtopic.php?f=33&t=1679*https://www.youtube.com/watch?v=6ijArKE8vKUSee [Bluetooth Headtracker]
==vr goggles==
