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added core security functions shutting down laser when:
- door is opened
- chiller is switched off or reports an error
- any of the limit switches triggers
PLEASE NOTE:
The v11.11 shield is a pre-run and has a flaw regarding the door sensor. To make it work properly do the following.
The door opto needs to be wired like this:
- red wire -> door:red
- black wire -> door:blk
- green wire -> door:blk
- white wire -> door:grn
And the first 10K resistor needs to be rewired to +3.3V as shown in the image.