I'm also having problems with the encoders. Although I used an earthed screen for all the encoders the signals are very noisy (at similar voltage leve...

I've just started upgrading my AR2 to an aluminium AR4. I had this same question re screen grounding. I've decided to provide a connecting wire to the...

@chris-annin Thanks for getting back to me. I've now received the one in the link and it appears to have the ethernet chip fitted. Presumably this ver...

Thanks Chris, I thought that I was going mad. A while ago I did an interim update on my PLA, AR2 and upgraded to the high precision versions of the...

Having now looked at the AR3 instructions for J2. These are similar to those that I saw for AR4 before they "changed". I'm sure that the ones I was us...

@kstan-simit Hi Kstan, Thanks for your comments. Since my first mail I've done a bit more research and it looks as if it is possible to buy just th...