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  1. 04-02-2011, 07:53 PM #1
    Roarkr
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    A bit confused re connecting the 4TS3 Push-button with led to an OP Master Card output

    Hi,

    I am building a OP MCP and use the OP Master Card as output to LEDs.

    I plan to use the 4TS3 Push-button with LED and wonder if I need to connect a resistor in serie with the LED in the 4TS3? I guess I have to connect the Cathode of the LED to the common GND and the anode to the Master Card output after a resistor (if needed) , but I don not know which of the 2 pins on the 4TS3 is the cathode. I only have the excact number of items, so I want to avoid burning and be sure before I connect.

    Could anyone help me out on this one?

    rgs,
    roarkr
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  2. 04-03-2011, 12:32 AM #2
    iwik
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    Re: A bit confused re connecting the 4TS3 Push-button with led to an OP Master Card output

    Hi Roarkr,
    Follow this link and click on Downloads, data sheet here has pin connections.

    http://www.opencockpits.com/catalog/...ith-p-118.html
    Les
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