From a7cadc8e4461ad709f62166096d4b00f12f1c2be Mon Sep 17 00:00:00 2001
From: Miguel de Matos <11491485+Snayler@users.noreply.github.com>
Date: Tue, 20 Jan 2026 01:52:45 +0000
Subject: [PATCH] Fix Serial and TX LED not working on Heltec Wireless Paper
 V1.2

As described on #1276, tested and working on my heltec wireless paper v1.2
---
 variants/heltec_wireless_paper/platformio.ini | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/variants/heltec_wireless_paper/platformio.ini b/variants/heltec_wireless_paper/platformio.ini
index 9cf761537..f0bca8604 100644
--- a/variants/heltec_wireless_paper/platformio.ini
+++ b/variants/heltec_wireless_paper/platformio.ini
@@ -5,7 +5,7 @@ build_flags =
   ${esp32_base.build_flags}
   -I variants/heltec_wireless_paper
   -D HELTEC_WIRELESS_PAPER
-  -D ARDUINO_USB_CDC_ON_BOOT=1      ; need for Serial
+  ;-D ARDUINO_USB_CDC_ON_BOOT=1      ; this breaks Serial
   -D P_LORA_DIO_1=14
   -D P_LORA_NSS=8
   -D P_LORA_RESET=RADIOLIB_NC
@@ -17,8 +17,8 @@ build_flags =
   -D WRAPPER_CLASS=CustomSX1262Wrapper
   -D LORA_TX_POWER=22
   -D P_LORA_TX_LED=18
-  -D PIN_BOARD_SDA=17
-  -D PIN_BOARD_SCL=18
+  ;-D PIN_BOARD_SDA=17
+  ;-D PIN_BOARD_SCL=18               ; same GPIO as P_LORA_TX_LED
   -D PIN_USER_BTN=0
   -D PIN_VEXT_EN=45
   -D PIN_VBAT_READ=20
@@ -139,4 +139,4 @@ build_src_filter = ${Heltec_Wireless_Paper_base.build_src_filter}
   +<../examples/simple_room_server>
 lib_deps =
   ${Heltec_Wireless_Paper_base.lib_deps}
-  ${esp32_ota.lib_deps}
\ No newline at end of file
+  ${esp32_ota.lib_deps}