BotronikS - Final code for all types of Arduino and PC users: -- HOME -- email: botronik@gmail.com
What you need to install or have installed before on your PC: see HERE

LCDP2B: Show 4x Temperature on LCD display (DS18B20) LCD2004
LCD1=LCD2004 IIC (Default Address: 0x27, 0x3F) --- S1-S4=DS18B20
Upload HEX code in Arduino-m328: Here3F
 

LCDP2B2: Show 4x Temperature on LCD display (DS18B20) LCD1602
LCD1=LCD1602 IIC (Default Address: 0x27, 0x3F) --- S1-S4=DS18B20
Upload HEX code in Arduino-m328: Here3F