From 973e2dbb84383d237c7417efde9fd44a50efc5a1 Mon Sep 17 00:00:00 2001
From: miguel5612 <miguelangelcu@ufps.edu.co>
Date: Thu, 26 Mar 2020 11:54:55 -0500
Subject: [PATCH] Fixed error

---
 examples/MQ-3/MQ-3.ino | 2 --
 1 file changed, 2 deletions(-)

diff --git a/examples/MQ-3/MQ-3.ino b/examples/MQ-3/MQ-3.ino
index bc22d48..795a008 100644
--- a/examples/MQ-3/MQ-3.ino
+++ b/examples/MQ-3/MQ-3.ino
@@ -60,8 +60,6 @@ void setup() {
   //Remarks: Configure the pin of arduino as input.
   /************************************************************************************/ 
   MQ3.serialDebug(true);
-
-  //pinMode(calibration_button, INPUT);
 }
 
 void loop() {