Replace your RAMPS fuses

Preamble

Following on from Double the volts… double the fun! here is a nice little tip that I came across to avoid your 3D printer going up in flames…

Replace both polyfuses (PTC) (F1 and F2) in a RAMPS 1.4 board with car blade fuses 5A and 10 or 15 A respectively. The polyfuses, F1 (MF-R1100) is rated to 11 A 16 V, F2 (MF-R500) is rated to 5A 30 V

It should be noted that in subsequent versions of the RAMPS boards (1.5 and thereafter), the fuses are SMD (and may also require replacing).

Continue reading Replace your RAMPS fuses

Double the volts… double the fun!

Preamble

For a long while I have wanted a Taurino Power 24 volt controller, and although they seem hard to find now, there is the Eruduino, which seems to be a reasonable clone…

Using 24 volts over 12 volts means, basically, less (half) current, thinner wires (or less likely to burn out the existing wires), less stress on connectors (where most fires start).

Continue reading Double the volts… double the fun!

Assembly of an MK8

Preamble

There are an awful lot of cheap MK8 extruders, and their derivatives (close and not so close), out there – with different number of parts, different bolts (lengths and thicknesses), screws, washers,  varying arm designs (enclosed or non-enclosed bearings), etc.. However, not many assembly instructions. So I’ll ramasser a few different assembly pictures here.

This post was inspired by How to build the extruder motor holder for the Kossel Mini

Continue reading Assembly of an MK8

The best Arduinos that I have ever bought…

…were from this vendor: ukings

Continue reading The best Arduinos that I have ever bought…