ESP32

Allgemeines

Auf Grund der vielen Varianten des ESP32 habe ich mir hier ein paar kleine Entscheidungshilfen zusammengetragen.

PINOUT

PINout ESP32 Board
			ENABLE	EN		D23	GPIO23	COPI
RTCIO0		A0	GPIO36	VP		D22	GPIO22	SCL
RTCIO3		A3	GPIO39	VN		TX0	GPIO1	TX0
RTCIO4		A6	GPIO34	D34		RX0	GPIO3	RX0

ESPTool

worker:/home/chris/.platformio/packages/tool-esptoolpy # python3.12 esptool.py chip_id
esptool.py v4.9.0
Found 3 serial ports
Serial port /dev/ttyUSB0
Connecting.....
Detecting chip type... Unsupported detection protocol, switching and trying again...
Connecting.....
Detecting chip type... ESP32
Chip is ESP32-D0WD-V3 (revision v3.1)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: f4:2d:c9:XX:XX:XX
Uploading stub...
Running stub...
Stub running...
Warning: ESP32 has no Chip ID. Reading MAC instead.
MAC: f4:2d:c9:XX:XX:XX
Hard resetting via RTS pin...

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