sigma

ESP32-S3-12K core board

Overview

ESP32-S3 core board

Espressif's wifi module ESP32-S3 has many models, among which N8R8 has 8M FLSAH and 8M SPIRAM. So I searched on TB and found Essence's ESP32-S3-12K, and there was no mention of starting a core board.

But of course it is developed in Python! !

The board has been successfully verified and can be downloaded automatically. There are no reset and download buttons, but two holes. The 2812 has not been verified, but generally there is no problem.

But there is a very annoying problem, the Python firmware does not support it! ! ! ! ! !

ESP-ROM:esp32s3-20210327
Build:Mar 27 2021
rst:0x1 (POWERON),boot:0x8 (SPI_FAST_FLASH_BOOT)
SPIWP:0xee
mode:DIO, clock div:2
load:0x3fcd0108,len:0x1328
load:0x403b6000,len:0xb44
load:0x403ba000,len:0x2ea8
entry 0x403b622c
x▒▒ESP-ROM:esp32s3-20210327
Build:Mar 27 2021
rst:0xc (RTC_SW_CPU_RST),boot:0x8 (SPI_FAST_FLASH_BOOT)
Saved PC:0x403784d0
SPI WP:0xee
mode:DIO, clock div :2
load:0x3fcd0108,len:0x1328
load:0x403b6000,len:0xb44
load:0x403ba000,len:0x2ea8
entry 0x403b622c

Later, I checked and found that the chip available for Anxin is internal 8Mflash, and Espressif's official one is basically external flash. As a result, the firmware is not suitable. However, Anxin did not provide the original firmware, so now I only have a brick left!

Design Files

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Update:2025-05-08 12:34:06

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