Fair enough then. I'll just wire wrap up one and play with it that way! Thanks!
Rick
Printable View
Steve,
On the pcb.bmp
Is this to be scaled down in size before printing ?
Thanks
Ken
Hi Ken,
I'd imagine you'd need to scale the .bmp (I don't think it has any sizing information in it) - if you go the .bmp route then do a test print and compare it to the size of the 40 pin socket, then scale/print until the socket pins line up with the 'holes' on the printout.
However - I'd recommend using the shareware version of proteus and using the proteus file I've included. Proteus can be downloaded here http://www.proteuslite.com/. Load the file and output just the copper layer to your printer. It should be possible to convert one of these files to a format suitable for cutting on a cnc machine - although I haven't done this myself.
Steve
If you print the PCB from Proteus to a .pdf file it retains the size information and then it can be printed directly from the pdf at the correct size. Also, 'silkscreening' can be done with a laser printer and an iron, very easily since you use Proteus, just have proteus print the silkscreen layer in mirror image, then iron it on- works really well.
Kwackers,
I am interested in creating a PIC program similar to yours. Can you tell me where to find documentation on creating these "ramping" signals you used in your program? Can these be used in the C language (not C+)?
Thanks,
Rob
hello,
I have completed the component installation on the PCB, but I have some difficulties to start.
Using a brand new 18F452, I have used the HEX file with IcProg 1.06A, but about Config bits ?
What values must be entered ?
Thanks for your help.
Rebus,
I see you are brand new to this board, welcome aboard, so we won't get on your case too much, but it is required that you post lots of assembly pictures and detail :D
Hello,
Pictures about my hardware, which is not working is not a good idea.
I am very interested with this thread, because my rotary head hardware is quite completed now, and I was writing the software in 8051 assembler when I have discovered this thread.
All functionalities I wished, are in the software already writed by kwackers.
But I don't know the 18F452 and configuration bits have not been discussed in this thread.
So, I'm waiting some help.
Best regards.
An added feature I could see usefull is the ability to interface with a CNC mill etc, If the host machine can output say a BCD or Octal code for e.g. and a strobe bit, the rotary table controller could have up to say 8 pre-stored positions, the mill places the Octal code on the three lines and issues a strobe, the table moves to position and send a done bit signal back to the CNC when in position.
I have done this in the past with a Galil Motion card and Maple systems display, but this would require less cost & putting together.
Al.
Hi Rebus, the config bits are part of the HEX file - at least they appear to be if loaded into MpLab.
However, everything is disabled, brownout, watchdog etc.
The oscillator is set to HS-PLL.
I've attached a screen grab of the config window from MpLab in case this is any help.
Attached is a zip file containing a powerpoint of the construction (.pps).
I've never used PP before so apologies for it's crudeness but it should give some idea of what's involved.
It assumes use of a PCB so if you're using stripboard or other prototyping board I'm afraid you're on your own... ;-)