I ordered an SDRAMPS and it is working fine except for one thing that is really bothering me. If I try to write a gcode file to the SD card through Pronterface it takes forever, like it is writing the file one command at a time. Takes a few minutes even for the simplest files.
Right now I just take out the micro SD and put it directly in my computer to transfer the file and then put it back in the SDRAMPS, but I would like to avid having to reach into the printer for the SD card every time.
Is there a faster way to load the file onto the SD card through RAMPS?
> The Raspberry Pi uses a full size SD card while the SDRAMPS uses a
MicroSD... Something similar might work though... (for making the card easier to reach...)
On that topic, I'm considering putting a Raspberry Pi in my printer, connecting the serial from the RPi's GPIO (through the right level converters) to the Arduino. Ethernet should at least allow the file to be transferred to the RasPi almost instantly... Just need ethernet-capable host software... (Printrun's CLI version should work for now, or possibly the web interface from the experimental branch)
that's pretty pathetic, NXP's LPC series (as used on Smoothie) have 5v
compatible digital inputs despite running at 3.3v.. I think analog
inputs and a few of the special features may not share 5v
compatibility, check the datasheet.
I'm running my mendelmax off a rasberry pi. I run pronterface over wifi (X forwarding over ssh) and have the pi connected to ramps over usb. The response of the gui is a bit sluggish but it's workable for occasional prints. The setup could probably be improved a lot by not running the gui on the pi.