From 8d39dac65471031e5b77e2e2e208082fbc95fb93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Frank=20M=C3=B6hle?=
 <91616163+softhack007@users.noreply.github.com>
Date: Tue, 27 Jan 2026 23:33:33 +0100
Subject: [PATCH] ethernet: avoid dangerous pins

LED pin: 16 -> 4
AR: no microphone, no pins
clarify comment when to disable ESP-NOW
---
 platformio.ini | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/platformio.ini b/platformio.ini
index ec73bc56..fb7d07c4 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -511,8 +511,10 @@ upload_speed = 921600
 custom_usermods = audioreactive
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} ${esp32.build_flags} -D WLED_RELEASE_NAME=\"ESP32_Ethernet\" -D RLYPIN=-1 -D WLED_USE_ETHERNET -D BTNPIN=-1
+  -D SR_DTYPE=-1 ;; force AR to not allocate any PINs at startup
+  -D DATA_PINS=4 ;; default led pin = 16 conflicts with pins used for ethernet
+  ; -D WLED_DISABLE_ESPNOW ;; ESP-NOW requires wifi, may crash with ethernet only => uncomment if your board uses ETH_CLOCK_GPIO0_OUT, ETH_CLOCK_GPIO16_OUT, ETH_CLOCK_GPIO17_OUT
   -DARDUINO_USB_CDC_ON_BOOT=0 ;; this flag is mandatory for "classic ESP32" when building with arduino-esp32 >=2.0.3
-;  -D WLED_DISABLE_ESPNOW ;; ESP-NOW requires wifi, may crash with ethernet only
 lib_deps = ${esp32.lib_deps}
 board_build.partitions = ${esp32.default_partitions}
 board_build.flash_mode = dio