Future of ESP32 S3

zazas321
Posts: 231
Joined: Mon Feb 01, 2021 9:41 am

Future of ESP32 S3

Postby zazas321 » Thu Oct 14, 2021 5:53 am

Hello. I am very curious to understand more about the new ESP32 S3 devices.

1. I have developed a few projects on ESP32 on esp-idf, I would like to know whether it will be easy to port them on ESP32-S3. Should it be as simple as just plugging and programming the ESP32-S3 device or it will be complicated?

2. I assume the ESP32-S3 is currently in early release state. When can we expect to have a stable version of ESP32-S3 so we can replace the ESP32 and switch to ESP32-S3 and develop our future products on ESP32 S3 instead

ESP_Sprite
Posts: 8921
Joined: Thu Nov 26, 2015 4:08 am

Re: Future of ESP32 S3

Postby ESP_Sprite » Thu Oct 14, 2021 6:43 am

The -S3 is mostly compatible with the ESP32, but keep in mind this is source-code-level compatibility, as in: you will need to change your target and re-compile your project. A binary for the ESP32 will not work in the ESP32S3.

The ESP32-S3 silicon is stable at this moment (mass-production tapeout), but I imagine you mean ESP-IDF support? If so, you can see that on the Github page; in ESP-IDF v4.3, the -S3 is still in preview while in v4.4, it will be fully supported.

Also note that the ESP32S3 is not intended to replace the ESP32; we will support the ESP32 at least until 2028.

zazas321
Posts: 231
Joined: Mon Feb 01, 2021 9:41 am

Re: Future of ESP32 S3

Postby zazas321 » Fri Oct 15, 2021 6:28 am

Thanks for the response. The main reason why we want switch to ESP32 S3 instead of ESP32 is the lack of pins which we always suffer on ESP32. The ESP32-S3 may solve this problem for us here.

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