Search found 1306 matches

by Pr0f
Fri Jan 08, 2021 10:59 am
Forum: The Off-Topic Section
Topic: I hate BREXIT !
Replies: 67
Views: 16016

Re: I hate BREXIT !

Now it's just getting silly - as most of what we see is just oscillations - then surely a quick Helium bath for everyone and we'd be no more...
by Pr0f
Fri Jan 08, 2021 10:57 am
Forum: Online Auctions
Topic: Sinclair QL2 Prototype replica on eBay
Replies: 12
Views: 11343

Re: Sinclair QL2 Prototype replica on eBay

You can just make out an SD slot at the front of the case - in the area of the 'red dome'. I think the case is printed in 3 sections to get the length, and looks to have maybe 3-4 layers.

I'd be interested in the 3d print files for it - but not for that money.
by Pr0f
Fri Jan 08, 2021 9:40 am
Forum: Online Auctions
Topic: Sinclair QL2 Prototype replica on eBay
Replies: 12
Views: 11343

Re: Sinclair QL2 Prototype replica on eBay

the alignment and positioning of the 4 USB ports and the RJ45 scream Raspberry Pi !

So most of what you are paying for is a rather slick looking case.
by Pr0f
Fri Jan 08, 2021 7:14 am
Forum: Hardware
Topic: QLUB Adapter - Initial Release...
Replies: 214
Views: 101102

Re: QLUB Adapter - Initial Release...

What equivalent PNP bi-polar high-speed switching transistor is suitable instead of a ZTX-510? I'm a noob looking at datasheets and none of the PNP transistors I can find are quite the same. ZTX-510 seems to be a tricky one to find. BC559 works on a standard QL, I suspect any good PNP switching tra...
by Pr0f
Thu Jan 07, 2021 2:24 pm
Forum: The Off-Topic Section
Topic: I hate BREXIT !
Replies: 67
Views: 16016

Re: I hate BREXIT !

I think the Chinese are far to clever to seek revenge - they bide their time and are content to dominate by supplying their cheap goods around the globe ( and to be fair I have consumed many of these and have had very few complaints - mostly power supplies - I always go and get something BS or CE ap...
by Pr0f
Thu Jan 07, 2021 7:35 am
Forum: The Off-Topic Section
Topic: I hate BREXIT !
Replies: 67
Views: 16016

Re: I hate BREXIT !

Yes - that referendum was to show the opinion of the public - and it was pretty much split down the middle - 49%/51% - yet on the basis of that they went ahead with it! With all the falsehoods, a lack of explaining what the pros and cons were for each choice, and with people in Government just using...
by Pr0f
Wed Jan 06, 2021 3:13 pm
Forum: Hardware
Topic: Ethernet for the QL
Replies: 108
Views: 27176

Re: Ethernet for the QL

that would only work with a non socket gold / super gold card version using SMT components - the disk controller could be swapped for one that doesn't need all the external passives too, and some board estate could be saved by using a large SRAM and not having to worry about the zip memory devices.
by Pr0f
Wed Jan 06, 2021 2:15 pm
Forum: The Off-Topic Section
Topic: I hate BREXIT !
Replies: 67
Views: 16016

Re: I hate BREXIT !

Not wanting to be political or racist, but we would have got nothing better from Labour given the same conditions. The real mistake was leaving the EU in the first place - we should have put our foot down and got a better standing within the EU rather than walk away. The sad thing is it was the UK's...
by Pr0f
Wed Jan 06, 2021 9:21 am
Forum: Hardware
Topic: Ethernet for the QL
Replies: 108
Views: 27176

Re: Ethernet for the QL

Really need an edge on view or if someone has one of these backplanes, a pic showing another card plugged in on top...
by Pr0f
Wed Jan 06, 2021 7:23 am
Forum: Hardware
Topic: Ethernet for the QL
Replies: 108
Views: 27176

Re: Ethernet for the QL

does the mini backplane flip the top board that comes out from the QL - I know it flips the board that would be entirely within the case? The network socket could come out of the side - and using the backplane would add about an inch of length to the size of board coming out from the QL expansion po...