From 4bbab345b0368be43a144704ee4d88d432369557 Mon Sep 17 00:00:00 2001
From: Scott Penrose <scottp@dd.com.au>
Date: Mon, 29 Dec 2025 11:40:46 +1100
Subject: [PATCH] Working serial on S3 too. Interesting...

---
 examples/MultiDevice/platformio.ini | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/examples/MultiDevice/platformio.ini b/examples/MultiDevice/platformio.ini
index ac7543c..5ca7b1b 100644
--- a/examples/MultiDevice/platformio.ini
+++ b/examples/MultiDevice/platformio.ini
@@ -28,6 +28,8 @@ framework = arduino
 monitor_speed = 115200
 monitor_filters = esp32_exception_decoder
 build_flags =
+    -D ARDUINO_USB_MODE=1
+    -D ARDUINO_USB_CDC_ON_BOOT=1
 #    -DCORE_DEBUG_LEVEL=3
 
 [env:esp32-s3-debug]