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function button not working at all

Posted: Sat May 26, 2018 2:28 am
by Abhay
[img]C:/Users/rajee/Desktop/IMG_2103[/img]

Please, somebody, see this image and tell me why my function button may not be working. I have checked the solder connections and button, both are working fine. Please tell me what to do.
And should there be continuity between the two pins of the button on which the wires are connected

Thanks

Re: function button not working at all

Posted: Sat May 26, 2018 8:23 am
by dryja123
Looks like your jumper wire is going from the CS gpio to the BTN pad. The wire should be in the gpio to the left of the CS pin. Although it is not labeled it is actually the gpio for the function button.

Re: function button not working at all

Posted: Mon May 28, 2018 12:26 am
by Abhay
Thanks. SHOULD THERE BE CONTINUITY BETWEEN THE TWO WIRES ON THE FUNCTION BUTTON.

Re: function button not working at all

Posted: Mon May 28, 2018 3:04 pm
by rodocop
Abhay wrote:
Mon May 28, 2018 12:26 am
Thanks. SHOULD THERE BE CONTINUITY BETWEEN THE TWO WIRES ON THE FUNCTION BUTTON.
the ground pad of the function button should only have continuity with ground. The other button labelled btn, should only have continuity with the gpio to the left of CS. if you have continuity between both pads of the button you have a short to ground. Most likely on the pi. The GPIO directly below the function button gpio is ground. Use some solder wick to clean up any excess solder from that area. and see if that helps.

Re: function button not working at all

Posted: Mon May 28, 2018 9:59 pm
by Abhay
Thanks. It started working.