From 60030469c93c592bddb5f1a4123717484a7db857 Mon Sep 17 00:00:00 2001
From: Alexander Hoffer <contact@alexanderhoffer.com>
Date: Mon, 20 Jul 2026 15:47:03 +0100
Subject: [PATCH] fix: enable Heltec V4 USB serial

---
 boards/heltec_v4.json | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/boards/heltec_v4.json b/boards/heltec_v4.json
index 36cdfc04..0d3a52cd 100644
--- a/boards/heltec_v4.json
+++ b/boards/heltec_v4.json
@@ -9,7 +9,7 @@
     "extra_flags": [
       "-DBOARD_HAS_PSRAM",
       "-DARDUINO_USB_CDC_ON_BOOT=1",
-      "-DARDUINO_USB_MODE=0",
+      "-DARDUINO_USB_MODE=1",
       "-DARDUINO_RUNNING_CORE=1",
       "-DARDUINO_EVENT_RUNNING_CORE=1"
     ],
@@ -40,4 +40,4 @@
   },
   "url": "https://heltec.org/",
   "vendor": "heltec"
-}
\ No newline at end of file
+}