feat: Add Domraem brand Ethernet clock pin configuration

[jacker-25]

Add support for Domraem Ethernet board with clock pins (GPIO0).
This configuration allows WLED to work properly with ESP32 + Ethernet hardware from Domraem brand, avoiding conflicts between ESP-NOW and Ethernet clock signals.

Summary by CodeRabbit

• New Features
  • Added support for the Domraem_ETH Ethernet board, expanding compatible hardware options.
  • Exposed the new Ethernet option in the network settings so users can select Domraem_ETH from the Ethernet Type list.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 47f7aaaa-f7c1-4bc6-95ea-c949d910ed93

📥 Commits

Reviewing files that changed from the base of the PR and between 9c7c049 and 72d5ebc.

📒 Files selected for processing (1)

• wled00/network.cpp

✅ Files skipped from review due to trivial changes (1)

• wled00/network.cpp

---

Walkthrough

Adds a new Ethernet board type "Domraem_ETH" by extending the board-type enum, adding it to the settings UI, and registering its hardware configuration in the ethernetBoards table.

Changes

Domraem Ethernet Board Support

Layer / File(s)	Summary
Board type definition and enumeration wled00/const.h	WLED_NUM_ETH_TYPES incremented to 17 and WLED_ETH_DOMRAEM_ETH defined with value 16.
UI option and board configuration wled00/data/settings_wifi.htm, wled00/network.cpp	Added Domraem_ETH option (value 16) to the ETH dropdown and inserted its ethernetBoards entry with MDC/MDIO pins, ETH_PHY_LAN8720, and ETH_CLOCK_GPIO0_IN.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• wled/WLED#5156: Both PRs add a new Ethernet board type by updating wled00/const.h, wled00/data/settings_wifi.htm, and inserting a new entry in the ethernetBoards array in wled00/network.cpp.
• wled/WLED#5553: Both PRs modify the same Ethernet board registry (WLED_NUM_ETH_TYPES) and add entries to the ethernetBoards table and the ETH select UI.
• wled/WLED#5608: Adds a new Ethernet board entry and increments WLED_NUM_ETH_TYPES, which directly affects compile-time checks related to ethernetBoards length and defaults.

Suggested labels

enhancement, board request

Suggested reviewers

• softhack007

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change—adding support for a new Domraem brand Ethernet board with GPIO0 clock pin configuration—which is the core objective reflected in all modified files.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[softhack007]

@coderabbitai please check if the new ethernet config proposed in this PR is already covered by another existing configuration in network.cpp.

[coderabbitai]

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🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
# Read the full ethernetBoards table in network.cpp
rg -n "ethernetBoards|ETH_CLOCK|eth_mdio|eth_mdc|ETH_PHY" wled00/network.cpp -A 2 -B 2

echo "---FULL SECTION---"
# Also dump the full ethernetBoards struct/array definition
grep -n "" wled00/network.cpp | head -200

Length of output: 12970

---

@softhack007 Yes — the new Domraem_ETH configuration is an exact duplicate of the existing Gledopto Series With Ethernet entry (index 13). Every single field is identical:

Field	Domraem_ETH (16)	Gledopto (13)
eth_address	1	1
eth_power	5	5
eth_mdc	23	23
eth_mdio	33	33
eth_type	ETH_PHY_LAN8720	ETH_PHY_LAN8720
eth_clk_mode	ETH_CLOCK_GPIO0_IN	ETH_CLOCK_GPIO0_IN

There is no functional difference between the two entries whatsoever. The PR author should verify whether the Domraem board's schematic genuinely matches the Gledopto wiring — if it does, the correct approach would be to either:

1. Reuse the existing WLED_ETH_GLEDOPTO_ETH (index 13) constant, or
2. Add a #define alias pointing to index 13 (e.g. #define WLED_ETH_DOMRAEM_ETH WLED_ETH_GLEDOPTO_ETH) rather than duplicating the hardware configuration entry and consuming a new index slot.

[softhack007]

@coderabbitai please remember to perform the above check whenever a new ethernet configuration is proposed in a PR. The WLED policy for ethernet (classic esp32): we want to avoid duplicating table entries which are technically the same. If a new ethernet board is proposed and its more than a niche product, we prefer to extend the UI selection label.