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25 lines
926 B
Markdown
25 lines
926 B
Markdown
# Before switching on the electronics for the first time
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## Set to 5V output on D3 DC-DC step down
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### Option 1
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- You put 12v between IN and GND
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- With a multimeter you measure VO and GND
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- Turn the potentiometer until you measure 5V
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### Option 2
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- Cut the jumper on ADJ
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- Put a drop of tin on the 5V jumper
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# Adjust the reference voltage of the stepper drive
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You have to adjust it to supply 1A to the motor, this way the motor will hardly heat up and it will have enough power.
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- Turn off the electronics
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- Disconnect the motor
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- Turn on the electronics
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- Stop from the web interface so that the hotend is not heating up
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- Measure the voltage between the small potentiometer on the driver and ground
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- Turn the potentiometer until you measure is about 0.4V (0.4*2.5=1A)
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- Once adjusted, turn off the electronics
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- Connect the motor
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- Turn on the electronics again
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Never connect/disconnect the motor with the electronic on
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