From 5732b2edd8563281ef7d344cd6517f969ca160ab Mon Sep 17 00:00:00 2001
From: entr0p1 <1475255+entr0p1@users.noreply.github.com>
Date: Sun, 9 Aug 2026 14:09:35 +1000
Subject: [PATCH] Lilygo T-Echo Lite Pin Fixes

- Aligned to Lilygo's updated schematic and pin map as per https://github.com/Xinyuan-LilyGO/T-Echo-Lite/issues/14
---
 variants/lilygo_techo_lite/platformio.ini | 6 +++---
 variants/lilygo_techo_lite/variant.h      | 2 ++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/variants/lilygo_techo_lite/platformio.ini b/variants/lilygo_techo_lite/platformio.ini
index 9ec73d59a1..1a8ad67723 100644
--- a/variants/lilygo_techo_lite/platformio.ini
+++ b/variants/lilygo_techo_lite/platformio.ini
@@ -12,10 +12,9 @@ build_flags = ${nrf52_base.build_flags}
   -D WRAPPER_CLASS=CustomSX1262Wrapper
   -D LORA_TX_POWER=22
   -D SX126X_POWER_EN=30
-  -D SX126X_DIO3_TCXO_VOLTAGE=1.8
+  -D SX126X_DIO3_TCXO_VOLTAGE=3.0
   -D SX126X_CURRENT_LIMIT=140
   -D SX126X_RX_BOOSTED_GAIN=1
-  -D SX126X_USE_REGULATOR_LDO=1
   -D P_LORA_TX_LED=LED_GREEN
   -D DISABLE_DIAGNOSTIC_OUTPUT
   -D ENV_INCLUDE_GPS=1
@@ -117,7 +116,7 @@ build_flags =
   -D WRAPPER_CLASS=CustomSX1262Wrapper
   -D LORA_TX_POWER=22
   -D SX126X_POWER_EN=30
-  -D SX126X_DIO3_TCXO_VOLTAGE=1.8
+  -D SX126X_DIO3_TCXO_VOLTAGE=3.0
   -D SX126X_CURRENT_LIMIT=140
   -D SX126X_RX_BOOSTED_GAIN=1
   -D P_LORA_TX_LED=LED_GREEN
@@ -162,6 +161,7 @@ build_flags =
   -D WRAPPER_CLASS=CustomSX1262Wrapper
   -D LORA_TX_POWER=22
   -D SX126X_POWER_EN=30
+  -D SX126X_DIO3_TCXO_VOLTAGE=3.0
   -D SX126X_CURRENT_LIMIT=140
   -D SX126X_RX_BOOSTED_GAIN=1
   -D P_LORA_TX_LED=LED_GREEN
diff --git a/variants/lilygo_techo_lite/variant.h b/variants/lilygo_techo_lite/variant.h
index 702ab33499..38b79c66d7 100644
--- a/variants/lilygo_techo_lite/variant.h
+++ b/variants/lilygo_techo_lite/variant.h
@@ -105,12 +105,14 @@
 #define LORA_CS                 _PINNUM(0, 11)
 #define SX126X_POWER_EN         _PINNUM(0, 30)
 #define SX126X_DIO1             _PINNUM(1, 8)
+#define SX126X_DIO2             _PINNUM(0, 5)
 #define SX126X_BUSY             _PINNUM(0, 14)
 #define SX126X_RESET            _PINNUM(0, 7)
 #define SX126X_RXEN             _PINNUM(1, 1)
 #define SX126X_TXEN             _PINNUM(0, 27)
 
 #define P_LORA_DIO_1            SX126X_DIO1
+#define P_LORA_DIO_2            SX126X_DIO2
 #define P_LORA_NSS              LORA_CS
 #define P_LORA_RESET            SX126X_RESET
 #define P_LORA_BUSY             SX126X_BUSY