It works now.
Thanks for your support!
Regards,
Christophe

Hi Dirk, Thanks for your reply The output of piTest -d displayes the following ... pi@RevPi20977:~ $ piTest -d Found 2 devices: Address: 0 module type: 95 (0x5f) RevPi Core V1.2 Module is present input offset: 0 length: 6 output offset: 6 length: 5 Address: 32 module type: 96 (0x60) RevPi DIO V1.4 M...

Hi Dirk, I have more or less the same problem. For one or other reason I can not communicate to the DIO module in python. I get the following error when try to read or write to the IO Installed the following : sudo apt-get update sudo apt-get upgrade -y sudo apt-get update sudo apt-get install pytho...