PCB adaptions for Mendel

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Replacing the connectors on the stepper driver boards

The RJ45 connectors are low-cost, as is the cabling for them. But they are not very neat. To replace them do the following.


RJ45-removal-1.jpg

Use a pair of tweezers to pull the gold-plated connectors inside the RJ45 shell and push them up through the top. Then pull them out from the top and straighten them out.


RJ45-removal-2.jpg

Next desolder each connection separately, pulling it out with long-nosed pliers. The plastic shell will then be easy to remove.


Stepper-mods.jpg

This shows all modified connectors. The two RJ45 connectors have been removed as above. The bottom one at A - the MIN connector - has been replaced by a 3-pin 2.54mm-pitch pin-strip connector. The RJ45 connector just above A - the MAX connector - has also been removed, but Mendel doesn't use this so you can leave it there if you like.