diff --git a/Base/BTC/Arduino/BTC/BTC.ino b/Base/BTC/Arduino/BTC/BTC.ino
index ed17712..123a566 100644
--- a/Base/BTC/Arduino/BTC/BTC.ino
+++ b/Base/BTC/Arduino/BTC/BTC.ino
@@ -6,6 +6,8 @@
 #include "DHT12.h"
 #include <Wire.h> //The DHT12 uses I2C comunication.
 
+DHT12 dht12;
+
 void setup() {
     M5.begin();
     Wire.begin();