Yes, it’s better to probe with bed and ht end at operating temperature, assuming that the bed surface can tolerate being probed by the hot end at full temperature.
No that won’t harm the circuit.
Yes, please ask on the forum at https://forum.duet3d.com/.
I will add examples soon. Meanwhile, please use the forum at https://forum.duet3d.com/ for support.
You will find that in the Specifications section.
When using constant-current stepper drivers (which are used on all 3D printer controllers), the “rated voltage” of the motor is not relevant, except that it should be much lower than the driver supply voltage. For example, it’s common to power the drivers from 24V when using motors with a rated voltage of 3V or 4V.
It’s possible with RRF 3.2beta, however memory is tight.
The manufacturer of the laser sensor specifies 60C as the maximum operating temperature. All other electronic parts are rated to 85C or higher.
The command strings in table MoveCommands includes an F parameter to set the speed. It uses F600 for the Z axis and F6000 for all other axes. You can increase those values.
JST ZH is 1.5mm pitch. The pins are difficult to crimp, so I recommend buying pre-wired connectors, which are readily available on eBay.
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