eth01-evo board

Pinout

#	left	io	on board
1	POE-
2	POE+
3	GND
4	NC
5	NC
6	NC
7	NC
8	NC
9	IO19	USB D+
10	IO18	USB D-
11	IO00	GPIO0
12	GND
13	IO09	GPIO9	ETH_CS -> 20k -> 3v3
14	RXD0	GPIO20
15	TXD0	GPIO21
16	EN
17	GND
18	3v3
19	EN
20	IO01	GPIO1
21	IO04	GPIO4
22	IO05	GPIO5	1k -> LED -> 3v3
23	IO02	GPIO2	1k -> LED -> 3v3
24	GND
25	3V3
26	GND
27	5V
28	LINK
29	NC
30	NC

DC-DC

ETA3417 : https://datasheet.lcsc.com/lcsc/2307171444_etasolution-ETA3417S2F_C7465507.pdf

DM9051

Davicom DM9051 SPI Ethernet Controller

https://www.dacomwest.de/en/?view=article&id=207:dm9051-en

https://www.dacomwest.de/en/component/edocman/dm9051-i-12-mco-ds-p01-03302015/download

DM9051	signal	esp32
17	SPI_CN	IO9
18	SPI_CLK	IO7
19	SPI_MOSI	IO10
10	SPI_MISO	IO3
24	INT	IO8
27	RSTB	IO6

Ethernet Driver

https://docs.espressif.com/projects/esp-idf/en/latest/esp32c3/api-reference/network/esp_eth.html#spi-ethernet-module

RJ45 connector

https://pcbartists.com/design/embedded/esp32-passive-poe-power-over-ethernet-design-schematic

WT32C3-S5 module

http://en.wireless-tag.com/product-item-18.html

https://img01.71360.com/file/read/www2/M00/6A/08/rBwBEmSBkI6AUYJDABeEbPVIioE463.pdf?dl=1&dlf=WT32C3-S5+Datasheet+V1.0.3.pdf

https://templates.blakadder.com/wireless_tag_WT32C3-S5.html

ESP32-C3 MCU

https://www.espressif.com/sites/default/files/documentation/esp32-c3_datasheet_en.pdf

https://docs.espressif.com/projects/esp-idf/en/latest/esp32c3/

https://docs.espressif.com/projects/esp-idf/en/latest/esp32c3/get-started/establish-serial-connection.html

Other

esphome/feature-requests#2427