Automated Guitar Tuning

source: imgur

  • I think I'm not the only one here who needs this in their life. It's for guitar, but it totally should work
  • Really Thick Drill Bit for Making Holes in Drywall
  • Automated Guitar tuning. (from /u/Sippingin)
  • Automatic Guitar Tuning
  • The future is now
  • ギターチューニングの自動化装置