WiPy P12 antenna select pin
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How do you use this pin to select an external antenna?
When I use this pin as a GPIO output, it turns off the internal WIFI antenna.
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@jmpratt said in WiPy P12 antenna select pin:
How do you use this pin to select an external antenna?
When I use this pin as a GPIO output, it turns off the internal WIFI antenna.
Exactly. You answered your own question. When P12 is pulled high the internal antenna is disconnected and instead the external antenna is connected.
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@sympatron
Is there a way to disable that functionality? Otherwise, that pin is unusable if you want you use the internal WIFI antenna. -
@jmpratt I don't think so, because the pin is hardwired to the antenna switch internally. This has been a problem for us, too.
I would advise against using P12 for anything anyway, because it also selects the boot mode. Therefore it will force the device into safe boot if P12 is for some reason high while it is booting.
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