Quote Originally Posted by eggman View Post
I ones worked with those chips, I only had it working without the 33 pF capacitor. The MCP23017 seems a better choice, it does not need an external capacitor.
Yeah I prefered the 17's but i could not grab that chip at my local store so gone for the 16. I will try without the cap. Thanks for that tip

I'm now managing to do it with the philips component, but it has only 8, so i will have to make 2 other SDA, SCL lines.