Use of inputs IO34,35,36 and 39

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orbitcoms
Posts: 149
Joined: Fri Aug 03, 2018 10:08 pm
Location: Sydney, Australia

Use of inputs IO34,35,36 and 39

Postby orbitcoms » Sat Sep 19, 2020 2:59 am

Can the analog inputs IO34, 35, 36 and 39 on WROOM32 be used for Interrupt, MISO and UART RXD functions?
I suspect that apart from needing pull-up resistors, these all provide full input functionality and any of the other GPIO?

Thanks
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ESP_Sprite
Posts: 9769
Joined: Thu Nov 26, 2015 4:08 am

Re: Use of inputs IO34,35,36 and 39

Postby ESP_Sprite » Sun Sep 20, 2020 7:33 am

Yes.
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orbitcoms
Posts: 149
Joined: Fri Aug 03, 2018 10:08 pm
Location: Sydney, Australia

Re: Use of inputs IO34,35,36 and 39

Postby orbitcoms » Sun Sep 20, 2020 7:37 am

Thanks
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Gururaj
Posts: 1
Joined: Fri Nov 11, 2022 7:55 am

Re: Use of inputs IO34,35,36 and 39

Postby Gururaj » Fri Nov 11, 2022 7:58 am

ESP_Sprite wrote: ↑
Sun Sep 20, 2020 7:33 am
Yes.
Hi
I have connected a toggle transistor at pin 34. I have to send out control voltage out.
Can I use this as control pin?
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ESP_Sprite
Posts: 9769
Joined: Thu Nov 26, 2015 4:08 am

Re: Use of inputs IO34,35,36 and 39

Postby ESP_Sprite » Sun Nov 13, 2022 1:10 pm

This is on an ESP32 (not -S2, S3, C3 etc)? If so, no; GPIO34 is input-only.
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