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

Counter2: 2x Total Counter up to 2 Billion with separated reset switches...
Note: The counter state is not saved when a power failure occurs!
LCD1=LCD1602 IIC (Default Address: 0x27, 0x3F)
Upload HEX code in Arduino-m328: Here3F