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Author Topic: Polarshield v3 always generate touch event
jempolar
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Posts: 4
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Post Polarshield v3 always generate touch event
on: October 15, 2020, 20:34
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Hello!

I'm trying to build my polargraph with Polarshield v3 based on ESP-32. I flashed it with binaries from github [https://github.com/euphy/polargraph_server_polarshield_esp32/tree/master/binaries]. It flashed with Ok status.

But afrter I start polagraph_controller and select port I always get endless stream of touch events or smth like that.

I tested it with and without rest of device (only esp-32) - same result.

Maybe somebody faced with such problem? Thanks!

Image

sandy
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Posts: 1448
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sandy
Post Re: Polarshield v3 always generate touch event
on: October 15, 2020, 22:54
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Hi! Is it from parts you bought from me or one you've made up yourself?

It's been a while since I dug into it, but I think the board does need to be fully populated with a screen otherwise there's some floating pins that are interpreted as touches. Pretty difficult to say much more than that.

There is a variable that enables or disables the LCD (https://github.com/euphy/polargraph_server_polarshield_esp32/blob/master/src/polargraph_server_polarshield_esp32.ino#L115) but you'll need to compile from source to get that going.

sn

jempolar
Newbie
Posts: 4
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Post Re: Polarshield v3 always generate touch event
on: October 16, 2020, 08:27
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Hi! Thanks for your quick reply!
I ordered few boards with your schematic from the factory and assembled it by myself.
Thanks for your help, I will try to play with params from polargraph_server_polarshield_esp32.ino.

Thanks!

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