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02-03-2015, 12:13 AM #11
I used to struggle with this as well as a number of other seemingly random instabilities. I think the 5v regulator on the Arduino isn't really up to the task. With RAMPS and the LCD, it's very close to what it can handle--even on the Taurino Power. Adding a servo to the 5v rail caused me all kinds of instability. In the end, I cutt D1 off the RAMPS board and supplied 5v from the power supply to the +5v and VCC pins (no jumper) as well as to the Raspberry Pi through the GPIO pins, all with separate runs back to the power supply. This fixed pretty much all of the random symptoms I was having, including Octopi falling to start on boot and the Pi crashing or rebooting mid print.
Printer will print perfect...
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