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
RTCIO5		A7	GPIO35	D35		D21	GPIO21	SDA
RTCIO9	T9	A4	GPIO32	D32		D19	GPIO19	CIPO
RTCIO8	T8	A5	GPIO33	D33		D18	GPIO18	SCK
RTCIO6	DAC1	A18	GPIO25	D25		D5	GPIO5	CS
RTCIO7	DAC2	A19	GPIO26	D26		TX2	GPIO17	TX2
RTCIO17	T7	A17	GPIO27	D26		RX2	GPIO16	RX2
RTCIO16	T6	A16	GPIO14	D14		D4	GPIO4	A10	T0
RTCIO15	T5	A15	GPIO12	D12		D2	GPIO2	A12	T2

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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