From 67fb46174a09331b59b853be984861380836b284 Mon Sep 17 00:00:00 2001
From: Eveldee <eveldee0680@live.fr>
Date: Tue, 24 Nov 2020 17:07:13 +0100
Subject: [PATCH] Fix Checksum

---
 WaveshareUARTFingerprintSensor/FingerprintSensor.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/WaveshareUARTFingerprintSensor/FingerprintSensor.cs b/WaveshareUARTFingerprintSensor/FingerprintSensor.cs
index f544317..76fa339 100644
--- a/WaveshareUARTFingerprintSensor/FingerprintSensor.cs
+++ b/WaveshareUARTFingerprintSensor/FingerprintSensor.cs
@@ -66,7 +66,7 @@ namespace WaveshareUARTFingerprintSensor
 
             for (int i = 1; i < 6; i++)
             {
-                checksum += data[i];
+                checksum ^= data[i];
             }
 
             return checksum;