Ai-Thinker NodeMCU ESP-C3-32S-Kit and ESP-S3-12K-Kit

Ai-Thinker NodeMCU:
ESP-C3-32S-Kit (internal 4M)
ESP-S3-12K-Kit

---

Check chip_id and flash_id using esptool:

$ esptool.py --chip auto --port /dev/ttyUSB0 chip_id
$ esptool.py --chip auto --port /dev/ttyUSB0 flash_id

for ESP-C3-32S-Kit:

pi@raspberrypi:~ $ esptool.py --chip auto --port /dev/ttyUSB0 chip_id
esptool.py v3.1
Serial port /dev/ttyUSB0
Connecting....
Detecting chip type... ESP32-C3
Chip is unknown ESP32-C3 (revision 3)
Features: Wi-Fi
Crystal is 40MHz
MAC: 34:b4:72:4e:19:f4
Uploading stub...
Running stub...
Stub running...
Warning: ESP32-C3 has no Chip ID. Reading MAC instead.
MAC: 34:b4:72:4e:19:f4
Hard resetting via RTS pin...
pi@raspberrypi:~ $ esptool.py --chip auto --port /dev/ttyUSB0 flash_id
esptool.py v3.1
Serial port /dev/ttyUSB0
Connecting....
Detecting chip type... ESP32-C3
Chip is unknown ESP32-C3 (revision 3)
Features: Wi-Fi
Crystal is 40MHz
MAC: 34:b4:72:4e:19:f4
Uploading stub...
Running stub...
Stub running...
Manufacturer: 20
Device: 4016
Detected flash size: 4MB
Hard resetting via RTS pin...

ESP-S3-12K-Kit:
(esptool v3.2 is needed, error reported in esptool v3.1)

Using esptool v3.1 on Raspberry Pi, detected as ESP32-S3(beta3) and reported "A fatal error occurred: Invalid head of packet (0x65)"!

pi@raspberrypi:~ $ esptool.py --chip auto --port /dev/ttyUSB0 chip_id
esptool.py v3.1
Serial port /dev/ttyUSB0
Connecting....
Detecting chip type... ESP32-S3(beta3)
Chip is ESP32-S3(beta3)
Features: WiFi, BLE
Crystal is 40MHz
MAC: 00:00:00:00:00:00
Uploading stub...
Running stub...
Stub running...
Warning: ESP32-S3(beta3) has no Chip ID. Reading MAC instead.

A fatal error occurred: Invalid head of packet (0x65)
pi@raspberrypi:~ $ esptool.py --chip auto --port /dev/ttyUSB0 flash_id
esptool.py v3.1
Serial port /dev/ttyUSB0
Connecting....
Detecting chip type... ESP32-S3(beta3)
Chip is ESP32-S3(beta3)
Features: WiFi, BLE
Crystal is 40MHz
MAC: 00:00:00:00:00:00
Uploading stub...
Running stub...
Stub running...

A fatal error occurred: Invalid head of packet (0x65)

Using esptool v3.2 on Linux Mint, detected as ESP32-S3 and no error.

eric@eric-VirtualBox:~$ esptool.py --chip auto --port /dev/ttyUSB0 chip_id
esptool.py v3.2
Serial port /dev/ttyUSB0
Connecting....
Detecting chip type... ESP32-S3
Chip is ESP32-S3
Features: WiFi, BLE
Crystal is 40MHz
MAC: f4:12:fa:43:65:2c
Uploading stub...
Running stub...
Stub running...
Warning: ESP32-S3 has no Chip ID. Reading MAC instead.
MAC: f4:12:fa:43:65:2c
Hard resetting via RTS pin...
eric@eric-VirtualBox:~$ esptool.py --chip auto --port /dev/ttyUSB0 flash_id
esptool.py v3.2
Serial port /dev/ttyUSB0
Connecting....
Detecting chip type... ESP32-S3
Chip is ESP32-S3
Features: WiFi, BLE
Crystal is 40MHz
MAC: f4:12:fa:43:65:2c
Uploading stub...
Running stub...
Stub running...
Manufacturer: c8
Device: 4017
Detected flash size: 8MB
Hard resetting via RTS pin...

to upgrade esptool, read Upgrade esptool using pip3.

Usefule links:
for ESP-C3-32S-Kit

~ ESP-C3-32S-Kit Specification

for ESP-S3-12K-Kit
~ ESP32-S3 series module
~ ESP-S3-12K-Kit specification (English)

~ ESP-S3-12K-Kit Schematic

Related:
~ First power-up NodeMCU ESP-C3-32S-Kit (pre-loaded with AT Command firmware)
~ Install CircuitPython 7.2.0 on ESP32-C3 (ESP32-C3-DevKitM-1/NodeMCU ESP-C3-32S-Kit)

~ arduino-esp32 2.0.3 now support ESP32-S3, try run on ESP-S3-12K-Kit
~ Flash MicroPython v1.19 firmware on ESP32-C3 (ESP32-C3-DevKitM-1/NodeMCU ESP-C3-32S-Kit)