CNC pendant for Duet2wifi and Indymill

On the Duet support site a very good description and software for rebuilding a Chinese CNC-pendant for the Duet2wifi is available.

I used this description to program an arduino pro micro, and connect it to the pendant wired, place it inside the pendant and connected the pendant with 4 wires to the Duet.  This works very well.

In the process, I developed some schematics that may be useful to you, available in this post:

Needed: an arduino pro micro and a pendant like this:

China Universal 5V 100PPR CNC 4 Axis Mpg Pendant Handwheel and Emergency Stop F/ Siemens - China CNC Handwheel, Mpg Handwheel


In the above picture, the coloured wires on the inside of the CNC pendant are shown. These wires need to be soldered to the correct pins of the Arduino pro micro (at the right)
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