Tom DeVito 5.23.2012

Start: 5:30

  • Due to the tediousness of how I was testing the sounds and not being to sure which sounds were wanted, I put together a way to test sounds easier.  I cut the headphones port off of some broken headphones I have so I can hook the speaker to my computer to test the sounds using a keyboard software on my computer.
  • I found that the poor sound quality is a problem with the hardware.  I am not sure how I had clean sounds at one time but I will have to examine what I am doing to see if I can fix the problem.  Sadly that test was done way before I started taking pictures.
  • The connection works so I can demo various sounds and pitch much more easily than before so we can determine what works best.
  • Looking at entries made in October of last year the problem seemed to be with midi shields.  The ground is not connected to a pin directly  as most shields would.  Maybe this ground can be attached in a different way.
  • Did a test with the extra boards I have, apparently the boards have more then 2 layers of traces.  All the ground ports work as ground and the one I am using is for the negative of the signal which may not be filtered properly like the others.  Plugging a headphone into this proved this theory.  When I touch the ground to the negative of the speaker it buzzes but when I touch it to the other ground ports it does not.
  • Sound quality issue has been resolved.  I tested it using my test_sensor sketch and it seems all fingers work fine.  Vibration quality is much better volume might be a bit lower or maybe its just the low notes used in the test.
  • Correction sound quality is mostly resolved.  Still need the improvements to resonance discussed in the previous entry.
  • The case came in looks really cool
  • Need to add rubber to where the metal touches the wood.  It might be best to get rid of the metal entirely.
  • There is plenty of room to add a wooden plank where the drive bay would be to have a hollowed out section
  • Power supply works as expected.  The fan is nice and quiet.  On the molex connector, red is the 5 volt line and yellow is the 12 volt line.
  • I don’t think the reset method of the midi is working properly.  Perhaps the delay needs to be longer.
  • Seems there are a few other issues that need to be worked out.  I am not certain why the fingers match u in my sketch but don’t seem to in this one.  I will have to examine the sketch a bit closer tomorrow and compare it to mine.  I will also make sure that mine is actually working.

End: 2:00