Hello,
These demo's will read the 4 A/D ports of the PCF8591 and display the values on the LCD (PCF8591 for CCIv2.0) or a terminal program (PCF8591 for CCIv1.1).
https://www.roboternetz.de/phpBB2/dl...gory&cat_id=26
Greetings,
H.J. Windt