Search found 6 matches

by benchoff
Fri Mar 15, 2013 8:29 pm
Forum: Hardware
Topic: New hardware revision?
Replies: 95
Views: 264282

Re: New hardware revision?

simon wrote:Well...

Due to lack of interest the whole Revision 2 project has been put on ice until further notice.

Simon


Awwww....
by benchoff
Fri Sep 21, 2012 12:28 am
Forum: Hardware
Topic: Power supply
Replies: 18
Views: 53966

Re: Power supply

Well, there's this: http://www.linear.com/product/LTC1775 but that would require multiple chips. Jesse over at Hackaday thinks this thing from Sparkfun https://www.sparkfun.com/products/317 would be a good idea, but seeing it can only supply 1.5 A, it might be better just to clean up an Mini ITX sup...
by benchoff
Fri Sep 21, 2012 12:23 am
Forum: Hardware
Topic: Expansion cards
Replies: 4
Views: 17581

Re: Expansion cards

If I could make one small suggestion, use a DIN 41612 connector. Looks like this:

http://www.mouser.com/ProductDetail/TE-Connectivity-AMP/535032-4/?qs=sGAEpiMZZMvkWeVFEbAjO8SozB4AR3wtBEWhHTCVqOY%3d

Yeah, we finally have a use for all those old Nubus cards...
by benchoff
Wed Sep 19, 2012 5:35 pm
Forum: Hardware
Topic: Expansion cards
Replies: 4
Views: 17581

Expansion cards

What's the possibility of putting an expansion card header on the board to break out the address, data, and interrupt lines?

With luck, this thing might take off, and it would be a shame if it can't be upgraded with additional hardware (maybe a homebrew SCSI card?)
by benchoff
Wed Sep 19, 2012 5:33 pm
Forum: Hardware
Topic: Power supply
Replies: 18
Views: 53966

Re: Power supply

Heh. Just noticed there's an actual power supply thread. How many amps do the 12 and 5V rails need? You're right that a 7805 (or whatever) would be very hot if it's pulling a lot of current, but I don't know if it will be possible to build a power supply for less expense than you can *buy* one. That...
by benchoff
Wed Sep 19, 2012 5:05 pm
Forum: Hardware
Topic: New hardware revision?
Replies: 95
Views: 264282

Re: New hardware revision?

As for the power supply, have you looked at just using a regular old ATX supply?

Rather, would an ATX supply be clean enough?

cron