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winston's diagnostics boardHi Winston, I've recently built your diagnostics board on project board and am having huge problems getting it running. I've been pulling my hair ou…
... -source difference of about 0.5v - the not gate was cranking ... drain seems to "float" around 1.5 which is exactly what ... -
Alternative power supply for a +2B?Hi friends, On impulse, I recently bought a ZX Spectrum +2 (unit only, untested) on eBay, thinking that the cables (specifically the power supply) o…
...
The +2B needs +5V, +12V and, if memory serves ... 't need anything other than +5V.
But ... power jack for taking +5V from the monitor, male ... out for the polarity: +5V jack has positive center, while ... on eBay for 1?. These can give you +5V and +12V ... -
Solar power?According to: [URL]http://news.bbc.co.uk/1/hi/sci/tech/8386460.stm[/URL] solar panels are becoming ever cheaper. If these worked well, then of cour…
... and a ratio of 1:0.3 of heat over ... br />
Within + or - 1 hour either side of mid ... but unlike your laptop battery have a MUCH higher discharge ... no point. Charging the battery takes a trivial amount ... a set of solar panels, battery storage, and an inverter. ... -
Commodore 1541 disk Drive.I cannot find the original thread I said this in before so I'll start a new one. I am thinking of getting a commodore 1541 Disk drive for my old br…
... but fancy ZX81 hardware, like battery backed memory and 32K upgrades ... had packets of old 5"1/4 disk drives un opened ... -
What about global warming?It's been a bad week couple of weeks, both here (what with Dunny and Karingal leaving, and the other arguments), and with some people I know in real …
... energy. If it takes 1.00000000001 barrels of oil worth ... of energy to extract 1 barrel of oil from ... same thing. To get 1 barrel of oil equivalent of ... energy takes far more than 1 barrel of oil to ... . However, I rather suspect battery technology will be a lot ... -
What about global warming?It's been a bad week couple of weeks, both here (what with Dunny and Karingal leaving, and the other arguments), and with some people I know in real …
... a colossal amount of volume. 1 gram of hydrogen gas needs ... station and charge a LiPoly battery with it.
The ... -
This Is Your (Gaming) LifeHi there spec-chums. I'm in an inquisitive mood, and feel like doing a bit of writing, so I was wondering if you folks would like to share the story …
... played on it was the 1 level Space Harrier II demo ... managed to wipe my lithium battery hence all my saves were ... month or so later the battery failed completely then the CD ... -
E-Book ReadersI'm looking to get myself a pressie in the sales and have got a hankering for a e-book reader..... So, anybody got one ?? any recomendations ?? Hop…
... months ago my palm tungsten battery stopped holding a charge. I ... . I tried to replace the battery, then the touchscreen failed, so ... at the ?150 mark. Either (1) the Sony ebook reader, or ... the better device:
(1) It's small enough that ... -
need help with +3 sound mod..well my friend has been doing the mod.. and well informed me the info / instructions aren't 100% there.. basically the matrix of cap's / resisters i…
... you is the fact that 1/2 of the circuit is ... components above where is says +5V - all the components below that ... -
What Joystick/inteface?Hi, I wonder what the group thinks of the best option for Joystick and inteface is for the 48k Spectrum. I am interested in the Interface 2 but only…
... Button 2 is pressed (Button 1 / the Start button is OK ... interfaces would also provide a 5V power supply on one of ... that pin hooked up to +5V. When you press the button ... , it connects the Speccy's 5V power supply to ground and ... -
Apple IpadI gotta get me one of those bad boys. How good will that thing be for: (1) reading ebooks (2) surfing the net Can't wait till it goes on sale. :)
... proper keyboard and a slice battery mounted underneath which lasts for ... and has three USB sockets + 1 fire wire socket mounted in ... -
Watches - do you still wear one ?My wife keeps trying to get me a watch for Xmas/birthday etc which i really dont want ! Since I got a mobile I've just never had a watch, must be ab…
... [url=http://product.expotv.com/1/0/1/101665_150x150.jpg]this[/url ... and still works perfectly except 1 battery change. Glass slightly scratched but ... -
Watches - do you still wear one ?My wife keeps trying to get me a watch for Xmas/birthday etc which i really dont want ! Since I got a mobile I've just never had a watch, must be ab…
... [url=http://product.expotv.com/1/0/1/101665_150x150.jpg]this[/url ... and still works perfectly except 1 battery change. Glass slightly scratched but ... -
Mass storage - why backup battery?I wasn't sure to post this under "hardware" or "development", but here goes: There are these mass storage devices for ZX Spectrum, and on many desig…
[QUOTE=velesoft]And BATTERY BACKUP = possibility power-off ... need), but doesn't need battery backup.
[QUOTE= ... />
Summarized: the SRAM + backup battery is needed because of historical ... that case, there is only 1 way forward that makes sense ... -
OptimisationI've participated in several thread hijacks about this, so perhaps I should open a new thread. Et VIOLA! Here it is! Knuth, who was earlier reporte…
... real terms, especially on a battery powered handheld which sips relatively ... at it" and only hearing "1. Don't optimize" and never ... -
Spectrum 128+ (No TV picture)I got a Spectrum 128+ which is not generating any picture. I checked the TEA2000, and it gets not 12 Volt, but only 1.4, so this is the problem, I gu…
... not 12 Volt, but only 1.4, so this is the ... same Problem with -5V, it is also -1.4V. +5V and 9V are ... -
I woke up this morning...Well, in the middle of the night, and recorded this. I've just discovered Native Instruments Guitar Rig program. So I can now plug in and play in th…
... . Sonar 6 Producer, Ableton Live!, Battery 3 etc.
I've ... )
2x Marshall 4x12's. 1 has 2x GT-75w and ... Paul.
Washburn HB35-S (1 of 50 AAA sycamore top ... -
Someone can help me to fix my Zx Spectrum?I did a video about the startup: [url]http://dl.dropbox.com/u/1566495/ZXSPECTRUM03.mp4[/url] I have replaced the ULA with a working one (same proble…
... voltage supplies present. Pin 1 should be -5V, Pin 8 should be ... , Pin 9 should be +5V. If -5V or -12V are absent or ... -
Someone can help me to fix my Zx Spectrum?I did a video about the startup: [url]http://dl.dropbox.com/u/1566495/ZXSPECTRUM03.mp4[/url] I have replaced the ULA with a working one (same proble…
... done some tests.
1/ on all [B]4116[/B ... ] I have [B]-4,5V / 12,4V / 5V[/B]
2 ... -
Someone can help me to fix my Zx Spectrum?I did a video about the startup: [url]http://dl.dropbox.com/u/1566495/ZXSPECTRUM03.mp4[/url] I have replaced the ULA with a working one (same proble…
... sockets, is to remove the +5V from IC25. This is probably ... not unsolder one of those? (1 side up in the air ... pin 9 for R71) to +5V. That would prevent #CAS from ... -
Someone can help me to fix my Zx Spectrum?I did a video about the startup: [url]http://dl.dropbox.com/u/1566495/ZXSPECTRUM03.mp4[/url] I have replaced the ULA with a working one (same proble…
... 5 and I already have 5V...:???:[/QUOTE]
That's normal ... by definition, normally close to +5V supply voltage), but with short ... -
Software with AY Music supportFollowing a couple of queries from customers, I thought it might be useful if we could have a thread which identifies which games and software suppor…
... -Hexagonia.tap.zip[/url]
Battery's Not Precluded [url]ftp ... .tap.zip[/url]
Gonzzalezz 1 and 2 [url]ftp://ftp ... .tzx.zip[/url]
Vixen 1 [url]ftp://ftp.worldofspectrum.org ... -
Exclusive?!Well, today I read that [I]GTA IV: Episodes From Liberty City[/I] is being released on the PS3 next month (I think that's in the US, not sure when th…
... of course
pah ?1.99 for a game.. and ... and apart from changing the battery it was perfect.
1 xbox around 5 years ago ... -
Broken or upgraded ZX Spectrum 48kHello First i want to say hello to everybody. I have a new ZX Spectrum 48k in my collection. Seller said that it is broken (no picture). I have this…
... 4,16V should be 5V
Pin 1 is -4,8V should ... be -5V
Pin 8 is ... -
Volcanic eruption?Or the gates of hell opening up for those 3 lying twats that'll be on TV tonight?
If only my motorcycle battery hadn't died yesterday (and ... rotor disc diameter of about 1.5 metres and just fits ... chunky 4.1Ah Li-Poly battery and *fully* aerobatic :-) -
Volcanic eruption?Or the gates of hell opening up for those 3 lying twats that'll be on TV tonight?
... ;437907]If only my motorcycle battery hadn't died yesterday (and ... rotor disc diameter of about 1.5 metres and just fits ... chunky 4.1Ah Li-Poly battery and *fully* aerobatic :-)[/QUOTE]
Volcanic eruption?Or the gates of hell opening up for those 3 lying twats that'll be on TV tonight?
... ;437907]If only my motorcycle battery hadn't died yesterday (and ... rotor disc diameter of about 1.5 metres and just fits ... chunky 4.1Ah Li-Poly battery and *fully* aerobatic :-)[/QUOTE]
Remove +12 Volt itemsWhich items can be removed on a ZX48K issue 4b PCB if I don't need the +12 Volt? Micky
... exist 16K x 1 DRAM's that are +5V only, maybe they ... can possibly cause problems. The 5v regulator (7805) is then required ...DAB Radio?I don't listen to much radio, though I should (it's better than TV for many types of broadcast, and you can get on with other things whilst listening…
... smartphone. It'll kill your battery in about 45 minutes. The ... , it will cost you about ?1 per minute to listen to ...My 1st CPLD project using the Xilinx XC9536Title says it all - for those of you who are considering the use of a CPLD or FPGA (programmable logic) in your electronics ventures, I've documented…
... current Xilinx WebPACK software (11.1, no further updates applied yet ... was already worried about the ~1 cm. wires going to my ... you only need a single 5V supply, which keeps things simple ...
