GPIO internal pull-up and pull-down resistance value

sakurasaku
Posts: 2
Joined: Fri Mar 23, 2018 12:41 am

GPIO internal pull-up and pull-down resistance value

Postby sakurasaku » Fri Mar 23, 2018 1:00 am

What is the resistance value of the internal pull-up and pull-down of GPIO of ESP-WROOM-32?
please tell me.

ESP_Sprite
Posts: 3914
Joined: Thu Nov 26, 2015 4:08 am

Re: Internal resistance value

Postby ESP_Sprite » Fri Mar 23, 2018 1:23 am

It's not a really precise value (because that is hard to do with resistors in silicon) but you can assume it's something between 10K and 100K. Internally, we use 50K as a go-to value, I think.

sakurasaku
Posts: 2
Joined: Fri Mar 23, 2018 12:41 am

Re: Internal resistance value

Postby sakurasaku » Fri Mar 23, 2018 1:37 am

Thank you very much. It was very helpful.

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