Where's a good resource/forum/etc.

3D Printing
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1

Where’s a good resource/forum/etc. for Rumba controllers? Mine is working…partially…and I can see it in the Arduino Serial monitor, but I cannot send a modified Marlin update to tell it it’s a Delta printer and not a cartesian one…

2

A Rumba controller is just a custom-boarded Arduino Mega 2560. Any knowledge that applies to an Arduino Mega applies to the Rumba.

3

I’m getting: “avrdude: stk500v2_ReceiveMessage(): timeout”

When attempting to push and updated firmware to the board. Communication is partially working, as I can in the Serial port monitor, the servo cycle that the board does by default when it’s not actively trying to print something.

4

I had that issue at points when programming a friends Rumba as well; I had to unplug, replug, and flash the firmware right after. Once I got it to stop doing that stupid script, it was fine.

5

I had similar issues with a RAMBo board recently. Disconnect USB, Power cycle, reconnect and flash right away fixed it for me.

6

Thanks guys, it’s happy now, well, happier. Now it complains because it’s not functionally complete (thermistors not installed), so I can’t watch the servos print a phantom object…

7

@Mike_Miller , if you want it to print a phantom object, disable min-temp, and put a file called auto0.g in the root of the SD reader with your gcode for a print.

8

Mavericks osx messes up the serial driver so u get that error u can revert to the old driver

9

I’m getting pretty good at hitting ‘compile, power on, plug in the Rumba’

10

@Glenn_West First I’ve heard of that problem with Mavericks. That’s what I’m running. I’ll have to keep an eye on it.

11

Yep drive me crazy

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Man, there’s GOT to be a better way. I can get this thing to upload firmware about 1 time in 15, with a ‘unplug RUMBA, power off, press compile, count to 2, turn on RUMBA count to 1-3, plug in RUMBA’

14

What are u programming it on. When I first flashes my rumba I had a bad USB cable and it caused me grief

15

I’ll swap cables and retest…it’s a Mac, running Arduino 1.0.5

16

Maverick ?

17

yeah. (following your instructions listed here: http://3dwest.blogspot.sg/2013/12/arduino-in-osx-109-stk500recv.html?m=1 ) I’ll let you know if it changes anything.

18

Holy crap, thanks! I’m 1 for 1! :slight_smile:

19

Great.

20

Meh…that wasn’t it. It may have been the reboot that did it, I’m back to a really crummy success rate.