From 2b2362b52e79ce102088c690e2bbcc595563c859 Mon Sep 17 00:00:00 2001
From: Embedded Innovation <i.pullens@home.nl>
Date: Mon, 2 Oct 2017 20:44:30 +0200
Subject: [PATCH] Fix calculation
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Datasheet says: “The ADC converts an analog input voltage to a 10-bit
digital value through successive approximation. The minimum value
represents GND and the maximum value represents the voltage on the AREF
pin minus 1 LSB.”
---
 Vcc.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Vcc.cpp b/Vcc.cpp
index 181900d..8dbcbe3 100644
--- a/Vcc.cpp
+++ b/Vcc.cpp
@@ -58,7 +58,7 @@ float Vcc::Read_Volts(void)
   // Result is now stored in ADC.
   
   // Calculate Vcc (in V)
-  float vcc = 1.1*1023.0 / ADC;
+  float vcc = 1.1*1024.0 / ADC;
 
   // Apply compensation
   vcc *= m_correction;