Why not use something like microswitches instead of metal on metal contacts?
a. The microswitches are expensive per unit. b. They are difficult to align and raise and lower to suit your sensitivity. c. They break down easy thus requiring you to open your pad again to change them. They say the switch will last a million presses. So take a song like Max 300 which is 573 steps. Assuming, there is an equal distribution of the steps on all 4 arrows, such a song will press on any one arrow 144 times. You can play that song (or similar number of step songs) 6945 times. So, there are 3 songs per game, you easy fit around 5 games in a hour (so 15 songs in an hour). That means each panel will last you about 463 hours of heavy play. At an average of 2 hours a day, that is 232 days, or 33 weeks or about 8 months. 12. Why not use something like magnetic reed switches instead of microswitches? Also a good idea. Small high speed glass reed switches can be purchased with very quick bounce times as low as 3.0 ms. Only problem about them would be a way to positioning them and ad