diff --git a/soler_chager.ino b/soler_chager.ino
index af54fe6..b24d948 100644
--- a/soler_chager.ino
+++ b/soler_chager.ino
@@ -1,16 +1,18 @@
 #include <Wire.h>
 #include <LiquidCrystal_I2C.h>
 #include <DHT.h>
+#include <BH1750.h>
 
 #define DHT11_PIN 7
-#define photos A0
+#define photoL1 A0
 #define LED 3
 #define button 2
 #define buzzer 6
 
+BH1750 lightMeter;
 DHT dht(DHT11_PIN, DHT11);
 volatile int buttonState;
-volatile int lightValue = 0;
+volatile int lightReadL1 = 0;
 int count;
 LiquidCrystal_I2C lcd(0x27, 16, 2);
 
@@ -40,8 +42,8 @@ void loop()// the loop function runs over and over again forever
   //Serial.print(count);
   //Serial.print("] hey\n");
 
-  lightValue = analogRead(photos);
-  if (lightValue > 300){
+  lightReadL1 = analogRead(photoL1);
+  if (lightReadL1 > 300){
     digitalWrite(LED, HIGH);
   }
   else{
@@ -57,8 +59,8 @@ void loop()// the loop function runs over and over again forever
     Serial.print(hum);
     Serial.print("  temperature: ");
     Serial.print(dht.convertCtoF(temp));
-    Serial.print("  light: ");
-    Serial.println(lightValue);
+    Serial.print("  L1 light: ");
+    Serial.println(lightReadL1);
     delay(50);
   }