lot of cleanups

BH1750_serial/BH1750_serial.ino

@@ -1,68 +1,21 @@
-
+// Written 2015 by Johannes Findeisen <you@hanez.org>
-/*
-  This is a simple code to test BH1750FVI Light senosr
-  communicate using I2C Protocol 
-  this library enable 2 slave device address
-  Main address  0x23 
-  secondary address 0x5C 
-  connect this sensor as following :
-  VCC >>> 3.3V
-  SDA >>> A4 
-  SCL >>> A5
-  addr >> A3
-  Gnd >>>Gnd
-
-  Written By : Mohannad Rawashdeh
-  
- */
- 
- // First define the library :
 
 #include <Wire.h>
 #include <BH1750FVI.h>
 
-
 BH1750FVI LightSensor;
 
-
+void setup() {
-void setup() {   // put your setup code here, to run once:
   Serial.begin(9600);
   LightSensor.begin();
-  /*
+  LightSensor.SetAddress(Device_Address_L);
- Set the address for this sensor 
- you can use 2 different address
- Device_Address_H "0x5C"
- Device_Address_L "0x23"
- you must connect Addr pin to A3 .
- */
-  LightSensor.SetAddress(Device_Address_L);//Address 0x5C
- // To adjust the slave on other address , uncomment this line
- // lightMeter.SetAddress(Device_Address_L); //Address 0x5C
- //-----------------------------------------------
-  /*
-   set the Working Mode for this sensor 
-   Select the following Mode:
-    Continuous_H_resolution_Mode
-    Continuous_H_resolution_Mode2
-    Continuous_L_resolution_Mode
-    OneTime_H_resolution_Mode
-    OneTime_H_resolution_Mode2
-    OneTime_L_resolution_Mode
-    
-    The data sheet recommanded To use Continuous_H_resolution_Mode
-  */
-
   LightSensor.SetMode(Continuous_H_resolution_Mode);
-  
-  Serial.println("Running...");
 }
 
-
 void loop() {
-  // put your main code here, to run repeatedly: 
   uint16_t lux = LightSensor.GetLightIntensity(); // Get Lux value
-  Serial.print("LightX: ");
+  Serial.print("Light: ");
   Serial.print(lux);
   Serial.println(" lux");
-  delay(250);
+  delay(1000);
 }

I2C_SLAVE_PHOTORESISTOR/I2C_SLAVE_PHOTORESISTOR.ino

@@ -1,3 +1,4 @@
+// Written 2015 by Johannes Findeisen <you@hanez.org>
 
 #include <Wire.h>
 

LM35BH1750LCDI2C_ArduinoI2C/LM35BH1750LCDI2C_ArduinoI2C.ino

@@ -39,19 +39,25 @@ void setup()
   LightSensor.begin();
   LightSensor.SetAddress(Device_Address_L); // Address 0x23
   LightSensor.SetMode(Continuous_H_resolution_Mode);
+
   lcd.init();
   lcd.backlight();
+
   // Get data for the first time.
   // Read this to understand the temperature calculation:
   // http://www.danielandrade.net/2008/07/05/temperature-sensor-arduino/
   tempC = (5.0 * analogRead(tempPin) * 100.0) / 1024.0;
   tempClast = tempC;
+
   // Celsius to Fahrenheit conversion
   tempF = (tempC * 9) / 5 + 32;
+
   // Get light sensor data
   lux = LightSensor.GetLightIntensity();
+
   // Get data from other Arduino on 0x07
   read_wire();
+
   // Refresh the LCD output
   lcd_refresh();
 }
@@ -69,14 +75,19 @@ void loop()
   }
   // Calculate temperature
   tempC = tempC / (float)samples;
+
   // Celsius to Fahrenheit conversion.
   tempF = (tempC * 9) / 5 + 32;
+
   // Get light sensor data
   lux = LightSensor.GetLightIntensity();
+
   // Get data from I2C attached Arduino
   read_wire();
+
   // Print results to the display.
   lcd_refresh();
+
   // Remember current temperature for next run.
   tempClast = tempC;
 }
@@ -88,7 +99,7 @@ void lcd_refresh() {
   lcd.print(lux);
   lcd.print("Lux/");
   lcd.print(photo);
-  lcd.print(" Pr");
+  lcd.print((char)0b11110100); // Thats the sign for Ohm but the value is not Ohm. I use this sign to represent the photo resister value
   lcd.setCursor(0, 1);
   lcd.print(tempC);
   lcd.print((char)223); // ASCII code 223 = "°"