[Noisebridge-discuss] Do we have a USB to Parallel (printer) port converter?

Jonathan Foote jtfoote at ieee.org
Wed Jun 27 05:34:37 UTC 2012


There was a  T40 thinkpad with a parallel port that I used as a backup
for the CNC machine, but it was stolen. :(

On that note, someone has backed up the configuration files for the
MAXCNC right? If that machine bites it (not unlikely because someone
trashed the dust cover) all that (nontrivial) work on those files is
lost and the CNC will return to its former status as a boat anchor.



On Tue, Jun 26, 2012 at 9:12 PM, Martin Bogomolni <martinbogo at gmail.com> wrote:
> You -cannot- run any CNC machines with a USB->Parallel converter.
>
> You will never get the low latency you need, the timing, to make it work.
>
> I guarantee it.
>
> If you don't have a PC with a serial port, buy a real PCI (or PCIe)
> Parallel port card.
>
> -M
>
> On Tue, Jun 26, 2012 at 7:50 PM, L E <lexein-esc at yahoo.com> wrote:
>> Central Computers (837 Howard) has 'em for $16. Open 'til 7:30, 6 on weekends.
>> http://www.centralcomputers.com/ccp82303-23y-120-usb-to-parallel-cable--black-y-120-cab-unupy120.htm
>>
>>>________________________________
>>> From: Hao <hao at dorabot.com>
>>>To: Gopiballava Flaherty <gopiballava at gmail.com>
>>>Cc: "noisebridge-discuss at lists.noisebridge.net" <noisebridge-discuss at lists.noisebridge.net>
>>>Sent: Tuesday, June 26, 2012 6:57 PM
>>>Subject: Re: [Noisebridge-discuss] Do we have a USB to Parallel (printer) port converter?
>>>
>>>
>>>Thank you for the reply, Gopiballava.
>>>
>>>
>>>However, I don't think Arduino-parallel converter can be used in a situation that I need it to control MAXNC CNC machine in realtime, from EMC2/Axis software on my laptop. Can it?
>>>
>>>
>>>On Tue, Jun 26, 2012 at 5:30 PM, Gopiballava Flaherty <gopiballava at gmail.com> wrote:
>>>
>>>If you have access to the source and are willing to hack a bit, you could probably easily make an Arduino be a USB to parallel converter.
>>>>
>>>>
>>>>The Arduino wouldn't be an official USB to parallel converter, but would let modified software on the laptop talk to a simple app on the Arduino that would twiddle the right pins.
>>>>
>>>>Thanks,
>>>>
>>>>
>>>>gopi at iPhone
>>>>
>>>>
>>>>
>>>>On Jun 26, 2012, at 17:06, Hao <hao at dorabot.com> wrote:
>>>>
>>>>
>>>>Or, any noisebridger know how to make one?
>>>>>
>>>>>
>>>>>--
>>>>>
>>>>>DORA = DORA Opensource Robotic Assistant
>>>>>dorabot.com
>>>>>
>>>>>
>>>>>
>>
>>>
>>>--
>>>
>>>DORA = DORA Opensource Robotic Assistant
>>>dorabot.com
>>>
>>>
>>>
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