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Arduino Forum Button wiring issue Teensy2.0
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Button wiring issue Teensy2.0

Former Member
Former Member over 11 years ago

I am getting back into doing some hardware stuff after a fairly long time away and am having a hard time getting back into it. I have a Teensy 2.0 and am trying to run a basic sketch that when a button is pressed will output 0, but my button is always High. I think that I miswired something but my breadboard looks like all the tutorials so I'm just confused as to what is going on and would appreciate any help.

 

Ever so basic Sketch

 

fxcF5W8.jpg

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  • Robert Peter Oakes
    0 Robert Peter Oakes over 11 years ago

    looking at the picture I have to ask

     

    Is the header strip just pushed through the teensy and into the breadboard or is it soldered to the teensy,

     

    either way it is pushed through from the wrong side and the breadboard side legs will be short and possibly not making proper contact into the breadboard

     

    if not soldered then they may not be making proper contact with the teensy either and as the input is programmed with an internal pull up it would always read high

     

    Peter

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  • Robert Peter Oakes
    0 Robert Peter Oakes over 11 years ago

    looking at the picture I have to ask

     

    Is the header strip just pushed through the teensy and into the breadboard or is it soldered to the teensy,

     

    either way it is pushed through from the wrong side and the breadboard side legs will be short and possibly not making proper contact into the breadboard

     

    if not soldered then they may not be making proper contact with the teensy either and as the input is programmed with an internal pull up it would always read high

     

    Peter

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  • Former Member
    0 Former Member over 11 years ago in reply to Robert Peter Oakes

    Looks like the issue was due to the headers. The chip was just sitting on top of them, I thought that'd be enough contact to make it work but apparently not. Soldered the headers to the Teensy and now all is working as expected. Thanks for your help.

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