these are your correct i2c address , right?
INPUT:
Found address: 57 (0x39)
Found address: 59 (0x3B)
-------------------------
OUTPUT:
Found address: 60 (0x3C)
Found address: 61 (0x3D)
you can download this firmware made for your i2c address.
Relay_IIC_address 0x3C
Relay_IIC_address 0x3D
Input_IIC_address 0x39
Input_IIC_address 0x3B
Thanks, I'll try later. Are these addresses just a mistake or do they vary with every board?
maybe only one of your board. Not every board.