Saturday, January 10, 2009
This was done some time ago but seeing other folk using terminal strips for connections reminded me that I needed to blog it.
For the PlyRap I purchased a Sanguino to control the machinery. A quick look at how many connections I needed to make (and perhaps remake) as I experimented meant that the on board 0.1" solder pads would be quickly used up or put beyond re-use.
The solution above was to find some 0.1" pitch screw terminals (and as I am using a re-purposed ATX PSU, a floppy drive power connector) and bring out the connections to these. I mounted the connectors onto strip board made the neccesary connections for the power connector and soldered the Sanguino to the board using 0.1" pitch SIL header pins.
It saves shortening stepper cables allowing for flexibility later.
I have Zacks Arduino break out BD not the Sanguino. Will get it for Darwin though or will it be Mendel by then.?
I actually can't figure out why Zack hasn't headed down the road of having a Darwin/RepRap shield for the Sanguino that has everything on one board.
Not as a replacement for the separates because they really do have their place for experimenters. (I have a bunch of them and they are great)
But simply as a quick way for the less experimentally minded to get from no Darwin to a working Darwin/Strap.
Sort of an assemble this board, plug actuators/sensors/extruders here here & here. Plug Sanguino onto header sockets. Ta Da instant Darwin.
Also, having separate, replaceable boards is a good idea for people like me that tend to try to do inadvisable things with them, and vaporize important bits off the board. It's a lot easier to slap in a new stepper driver board, than have to rebuild the entire electronics package. Besides, not everyone is using the same number of steppers.
I think Zach needs a clone so he can get those boards out faster. :) Or I need to start making my own boards on my RepRap.
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