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Printrbot Talk Forum • View topic - RAMPS 1.4 - Reversed + & - What's Fried?

RAMPS 1.4 - Reversed + & - What's Fried?

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RAMPS 1.4 - Reversed + & - What's Fried?

Postby Woof-! » 2016-Mar-Fri-15-Mar

I had everything wired- Endstops, Motors, Arduino, LCD screen, and 4 A4988 step sticks. -The LCD screen seems to still work- motors, the hot end, & thermistor have reversible wiring, right :?:
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RAMPS 1.4 - Reversed + & - What's Fried?

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Re: RAMPS 1.4 - Reversed + & - What's Fried?

Postby Mooselake » 2016-Mar-Fri-18-Mar

Not a clue, since you don't give enough information to tell what's going on.

Can you be more specific?

Kirk
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Modified KickStarter Classic Plus 7/2012
KS Thingybot Delta Pro 10/31/16
Creality Ender 3 Pro 12/2019
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Re: RAMPS 1.4 - Reversed + & - What's Fried?

Postby Woof-! » 2016-Mar-Fri-19-Mar

Yes! - So a month ago I was working on a 3D printer design and I accidentally got my positive wires leading into the negative end of the Ramps 1.4 terminal and my negative wire in the positive end of the terminal- then added electricity. - Now my Arduino Mega 2560 R3 is not found with my IDE - I'm sure I fried it portions of it. I still get words on the LCD screen and my mechanical endstops still light up when pressed, but I'm curious to know if it's just my arduino that would be effected by this?
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Re: RAMPS 1.4 - Reversed + & - What's Fried?

Postby RetireeJay » 2016-Mar-Fri-22-Mar

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Printrbot Plus operational January 2013
Brass threaded rods (5/16" X 18) & nuts for Z axis
GT2 belts & pulleys
Cable chain to reduce probability of fatigue failure in wires
E3D V5 Hot End, 0.4mm nozzle, also 0.8 and 0.25 in use occasionally
PB fan mount + 40mm fan -- using printed mount adapter, not the E3D supplied fan
Injection molded extruder gears
Optical Z "endstop" (custom designed and built)
Have used many pounds of T-Glase filament. Now also doing some work with Ninjaflex SemiFlex
Print on glass with Scotch Craft Stick or other glue stick
"My next printer is..." Prusa i3 MK3, upgraded to MK3S
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