Automated Instrument Tuner

This is a project that Ben Edelstein and I worked on back in high school. It can tune most acoustic guitars in under 30 seconds! Check out the video below or the project report here.

  • Team: Ben Edelstein
  • Awards: 1st place - Massachusetts State Science and Engineering Fair
  • Year: 2011
Watch it with sound :)


Exterior of device. The black box in the center of the image contains the processing unit of the tuner and the white PVC pipe on the left is the hand-held unit which is placed over the tuning pegs of an instrument.</img>
Exterior of device. The black box in the center of the image contains the processing unit of the tuner and the white PVC pipe on the left is the hand-held unit which is placed over the tuning pegs of an instrument.


Interior of device showing the Arduino microcontroller and custom printed circuit board.</img>
Interior of device showing the Arduino microcontroller and custom printed circuit board.


Another image of the device's interior.</img>
Another image of the device's interior.