From 2230cbbe2a9a9536bdfc2c0bf1d6c065a827cf6e Mon Sep 17 00:00:00 2001
From: co sto <10115135+costonisp@users.noreply.github.com>
Date: Fri, 21 Jan 2022 03:47:30 +0100
Subject: [PATCH] Correction for wrong battery display on tlora_v2_1_16 board
 (#1120)

* Update variant.h
---
 variants/tlora_v2_1_16/variant.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/variants/tlora_v2_1_16/variant.h b/variants/tlora_v2_1_16/variant.h
index bc1bbc0277..1a888b46f9 100644
--- a/variants/tlora_v2_1_16/variant.h
+++ b/variants/tlora_v2_1_16/variant.h
@@ -4,6 +4,8 @@
 #define GPS_TX_PIN 13
 
 #define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+// ratio of voltage divider = 2.0 (R42=100k, R43=100k)
+#define ADC_MULTIPLIER 2.2 // 2.0 + 10% for correction of display undervoltage.
 
 #define I2C_SDA 21 // I2C pins for this board
 #define I2C_SCL 22
@@ -20,4 +22,4 @@
 #define LORA_DIO0 26 // a No connect on the SX1262 module
 #define LORA_RESET 14
 #define LORA_DIO1 35 // Not really used
-#define LORA_DIO2 34 // Not really used
\ No newline at end of file
+#define LORA_DIO2 34 // Not really used