This is the same as the former Air Conditioner Monitor, but this is working with USB PIC18F45450......
The Pic code generated a virtuel Com port (on mine machine COM6) and so the PC code is the same as the other Air Conditioner monitor
This project read's three DS600 temperature sensors from Maxim/Dallas and two pressure sensors and display's it on a POWERTIP 2 lines by 20 character LCD. I used it to check the airco from a car now I can read the pressure in the system and the temperature inside the car and in the system.....
Gerbers:
PIC source code:
USB Driver file: