ESP32-WROOM Question

DDAA0621
Posts: 1
Joined: Fri Aug 20, 2021 4:39 pm

ESP32-WROOM Question

Postby DDAA0621 » Fri Aug 20, 2021 4:55 pm

Hello we are currently using the ESP32-WROOM-32D in a device this device was developed a few years ago. This device is also still in production I was wondering if the ESP32-WROOM-32E would be a drop in replacement. I have already double checked the pinouts of the two modules and the only difference between the two is pins 17-22 on the 32E are all listed as NC we don't use any of those pins now on our device. Aside from that the pinout is identical.
I also wonder how compatible the code is between the two modules. IE how much I would have to change. Just a rough guess doesn't need to be an absolute concrete answer.
Thanks.

ESP_Sprite
Posts: 9715
Joined: Thu Nov 26, 2015 4:08 am

Re: ESP32-WROOM Question

Postby ESP_Sprite » Sat Aug 21, 2021 2:02 am

It should be a drop-in replacement, as long as your design didn't use SPI1 (the same SPI as is connected to the internal flash aka most of the pins on the side opposite of the antenna).

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