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After some trial and error I was able to reliably print parts with nylon (618 from taulman 3D) on my MakerBot Cupcake.

I used the following temperature settings:

• Extruder: 245°C
• Heated build platform: 60°C

I had a lot of trouble getting the prints to stick to the platform. Here is what works for me: 3M blue painter's tape, topped with a thin layer of glue from an UHU stick. I enable the "raft" option for all prints. The raft adheres very well to the blue tape covered with glue, so well that I have to replace the tape for each print.

I use ReplicatorG 0037 to control the printer and the integrated Skeinforge 35 to produce the gcode. Here is my custom profile to print Taulman 618 Nylon: SF35-cupcake-HBP-nylon.tar.gz.

From Isaac Budmen:

1. Heat the nozzle to 200C
2. Run Nylon filament through the extruder
3. With Nylon in the nozzle, reduce the temperature to 135C, and once there let it sit for a minute
4. Slowly but firmly work the filament out of the top of the extruder

This has worked very well for me a couple of times. Here is how the filament looks like when I take it out of the extruder (repeat steps 1-4 until it comes out clean):

(it should work with any other Debian-based Raspberry Pi distribution and all newer Fitbit devices that use BLE)

sudo -i
apt-get update
apt-get install python-pip
pip install galileo
galileo

You can then use cron or a simple shell script to periodically run galileo.

This has been bugging me for quite some time...

The solution:

$ sudo ln -s /usr/share/virtualbox /opt/VirtualBox

Found here.

• instead of including wiring.h, WProgram.h, WConstants.h and pins_arduino.h, you only need Arduino.h


• Wire.send() is now Wire.write(), Wire.receive() is now Wire.read()


• If you get error messages like "call of overloaded ‘write(int)’ is ambiguous", you probably need to add "(byte)" before a constant argument, eg: Wire.write((byte)0x00);


• It is possible to use conditional statements to write code that is compatible with older and newer versions, eg:

  #if ARDUINO >= 100
    #include "Arduino.h"
  #else
    #include "WProgram.h"
  #endif



• More complete list and additional information:


• http://makezine.com/2011/12/01/arduino-1-0-is-out-heres-what-you-need-to-know/


• http://code.google.com/p/arduino/wiki/Arduino1