Working on a project to count short random 5 volt pulses generated from a car's onboard computer. The signal is normally low, but sends out a very short (maybe 5ms) 5 volt pulse whenever certain conditions are met. The pulses occur randomly and not based on any pattern or timing. The problem is that…

attachInterrupt debounce or Dirty Power supply?

holmes4 February 10, 2013, 12:50pm 18

Would a cap or a small RC network get rid of the glitch?

Mark