tekkydave

I have noticed that motor connections seem to be fairly non-standard and different between boards, kits etc.

For example my Prusa had the RAMPS wired Black-Green-Red-Blue whereas the Duet has Black-Green-Blue-Red.

Will still work but the effect of swapping one of the pairs (Red/Blue) is to reverse the direction. I have stuck to the Duet wiring schematic as I have rewired all the connectors.

11 hours ago, Gina said:

I seem to have lost a post (or never uploaded it).  The above figures were inserted into the input fields of the RepRapFirmware Configuration Tool which generates all the g-code files required to set up and calibrate the printer firmware.

Connected the Duet board to my Win 7 laptop with supplied USB cable and been setting it up using Repetier Host to send g-codes.  Had to download and install driver for it.  WiFi all set up and I have it working via Firefox on my Linux Mint desktop.  Have uploaded the G-Code files I downloaded from the configurator web site.  I think the next stage will be to connect it to the printer and ATX PSU.

Make sure you upload your config gcode files in the settings area. If you upload them in the 'Gcode Files' area they will just be available to be printed. Might be a good idea to download the supplied files before overwriting them. Select all files via the tick box at the top, then right click on one of the files. It should let you download as a zip.

5 hours ago, Gina said:

No, I meant my present heat pad which is 12v.  The mains one is something I'm thinking of getting (on a slow boat fro China).  I'm afraid I didn't make myself clear.

Ah, I understand now

Is that correct? 220W on mains voltage is around an Amp, isn't it?

Yes, I'm using the 10A version for mine (SSR-10 DA). My silicon heater is 750W so about 3A.

Might be a good idea to do initial build & test using a cheap RAMPS before hooking up the Duet

Good progress, Gina. I love your "make it up as you go along" methodology. I don't have the confidence to do that myself. I tend to take working designs like the Prusa and D-Bot and make improvements where possible. Best luck with your build