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Video Monitor — Parallax Forums

Video Monitor

LitefireLitefire Posts: 108
edited 2006-07-05 12:17 in Propeller 1
Hey, i wasn't planning on using a demo board (i've ordered my propstick and really will need more than 8 I/Os) but would like to be able to use the display. is there a way to connect the two without a demo board?

~~B

Comments

  • NewzedNewzed Posts: 2,503
    edited 2006-07-04 22:38
    If you are talking about a television as opposed to a computer monitor, and if you have Expresspcb I can attach a copy of my board that has the circuitry for a TV display.

    Sid
  • LitefireLitefire Posts: 108
    edited 2006-07-05 00:16
    that's great, i was just going to use it with either my TV or the little portable monitor.
  • Phil Pilgrim (PhiPi)Phil Pilgrim (PhiPi) Posts: 23,514
    edited 2006-07-05 01:26
    Litefire,

    I just use an RCA connector from Radio Shack soldered to a short stub of wire (for ground) and three resistors: (1100, 560, 270) or (1000, 510 or 470, 220). With the latter combination I add an additional 270 to ground to limit signal levels. The free ends of the wire and resistors are simply poked into the solderless breadboard. You can look at the schematic for the Demo Board for connection details.

    -Phil
  • NewzedNewzed Posts: 2,503
    edited 2006-07-05 12:17
    Litefire, I have attached the layout of the TV connections.· While you can use any pins you want, I suggest you stickwith pins 12, 13 and 14.· The
    TV_Terminal programs I have seen and am using call out pin 12.

    Part numbers for the 1 percent resistors are on the attachment.· R1 is not connected since I do not need it.

    Sid
    Prop TV.jpg
    448 x 284 - 11K
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