Understanding pull-up and pull-down resistors

Image (1) youritronicsPCB.jpg for post 62931

By , 03/05/2009 @ 1:49 pm= | Full size is 332 × 258 pixels

  • Title: IF
  • Focal Length: 74099370.666667mm
  • Aperture: f/74099370.67
  • ISO: 320