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Direct drive LCD screen - looking for information on previous projects people may have attempted.Hi All, My first post, so please forgive and guide if I've posted in the incorrect section. I'm a speccy user from way back in the 80's, but m…
... end when I accidentally reversed polarity on a power supply supplying ... -
Spectrum +2 noobie questionsHi! A few days ago I ordered a Spectrum +2 from ebay thanks to a friend and before it arrives, I wanna be sure I'm ready to use it, so I got a few qu…
The "Fun" of old equipment...Warning to others with the Alphacom 32.So I manage to slowly rebuild my spectrum, and a part of that is getting a new printer. The Brother printer I once had is no more, and I don't want t…
... multimeter, yep, it's the diode.
Then I realize ... . Isn't that a small diode? Check the specs, 50v max ... 40 volts peak, and the diode is known to fail at ...Using a thermal camera to fix speccy's.Hi All, Thought I'd share another repair... Got a board that collapsed the bench supply straight away ( I run a bench supply and give it just enou…
... />
So I check the diode, it's OK. Leave it ...Voltage/current meterToday I went to my local electronics shop and found this model of voltage and current meter, readily assembled with DC plugs at either ends... :P …
... it only reads if the polarity is reversed to more usual ...spectrum problemshello, I just recieved a spectrum 48k on ebay [img]/__forums/images/smiles/icon_smile.gif[/img] (I live in the U.S.) I have a transformer to conver…
All you needed was a PSU that is 9V DC 1.4A or more regulated, -ve centre polarity.spectrum problemshello, I just recieved a spectrum 48k on ebay [img]/__forums/images/smiles/icon_smile.gif[/img] (I live in the U.S.) I have a transformer to conver…
... specially with the voltage and polarity of the connector. Remember to ...spectrum problemshello, I just recieved a spectrum 48k on ebay [img]/__forums/images/smiles/icon_smile.gif[/img] (I live in the U.S.) I have a transformer to conver…
... the considerations about voltage and polarity).
If the problem is ...spectrum48k power supply?Hello, I live in the U.S. and I need to get a power adapter for the spectrum 48k comparable to the original. I needed to know all the specifications…
A word of caution - if using your own supply don't mix up the polarity - A CSS poster recently mentioned a blown Speccy because of this...blew up my 128i did it - damn. i accidentally reverted the polarity of the power power supply, so ended up with a blown 5v stabilizer, which i replaced, but there …
... input. When you reverted the polarity this destroy the regulator (7805 ...blew up my 128i did it - damn. i accidentally reverted the polarity of the power power supply, so ended up with a blown 5v stabilizer, which i replaced, but there …
... :
if you revert the polarity of the power supply, you ...SPECCY+2 110V POWER SUPPLYI live in the USA and I bought a ZX Spectrum 128k +2 in eBay.com. The problem is that i don't know how to turn it on. All the major US appliances use…
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Machine Voltage Amperage Centre Polarity
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ZX-81 9V ...Stop me from blowing up my original Spectrum 128!I have a Spectrum 128 (not the +2), and I want to play some of those old classic games again. The trouble is this. I still have the original Power Su…
... I had to reverse the polarity too, to make it work ...NTSC ZX Spectrum +2 wanted for USAI live in NY USA and I know nothing about electronics. I'm willing to buy a ZX Spectrum +2 that would be prepared to send a NTSC signal (instead of P…
... more crucial to get the polarity alright, as people has been ... their speccies by getting the polarity wrong. You've been consistently ...NTSC ZX Spectrum +2 wanted for USAI live in NY USA and I know nothing about electronics. I'm willing to buy a ZX Spectrum +2 that would be prepared to send a NTSC signal (instead of P…
... , 1.5A, and center negative polarity at rpelectronics.monitor interfaceI am searching for a monitor interface, so that I can use my Speccy on a computer monitor.
... with a resistor and a diode, i n fact i wanted ...A feature missing in emulatorsJust yesterday a thought came to me while trying to load a really old and worn tape. Wouldn't it be interesting if one of the emulators had a featur…
... it up. I used a diode, a potentiometer, a couple resistors ...+d dsdd disks in hd drive Hi, Does anyone know how to format a 3,5inch DSDD disk in a -HD- diskdrive connected to a Plus D?? I'm trying to convert some old 5,1/4 inch disk …
In almost all cheap 3.5" drives this hole is detected machanicaly, just open the drive doors and look what?s here, a switch, or photo-sensitive-diode. But don?t ask me how the 5.25" discs are detected by drive.AMERICAN SPECTRUM FANS?Hi all. I was wondering, who many Spectrum-fans could live in America... I have many addresses in my zx-base, but not many of them belong to Americ…
... 1.5A and center negative polarity.
However this model might ...speccy found, operation rebornI found some time ago a rubber speccy,. I even dont know if is 16 or 48k.. I havent any cable nor ZXpower supply. Can I get one power supply and cab…
... on 9 volts, but the polarity is crucial as you could ...CSW 2Have you been using csw 2 yet? I find the total pulses is sometimes wrong by 256 too short. Also there is a small shift to the right by a few sampl…
... or maketzx gets the initial polarity wrong it would be ... Acorn tapes can have negated polarity. Maybe Atari tapes always have ... /> CSW still gets the initial polarity wrong sometimes. Why not take ... file to the opposite initial polarity. 20 points should be ...ZX81 and ZX80 emulator on Spectrum 128KA couple of weeks ago we were talking about a new ZX81 emulator for the 128K. Someone beat me. More details at [url="http://www.fruitcake.plus.com/S…
... : block length
1 byte: polarity 'N' or 'P'. 'P' meaning ... : block length
1 byte: polarity 'N' or 'P'. 'P' meaning ...ZX81 and ZX80 emulator on Spectrum 128KA couple of weeks ago we were talking about a new ZX81 emulator for the 128K. Someone beat me. More details at [url="http://www.fruitcake.plus.com/S…
... : block length
1 byte: polarity 'N' or 'P'. 'P' meaning ...ZX81 and ZX80 emulator on Spectrum 128KA couple of weeks ago we were talking about a new ZX81 emulator for the 128K. Someone beat me. More details at [url="http://www.fruitcake.plus.com/S…
One byte to record the polarity of a file is not ... . I don't know why polarity is not recorded in the ... is a problem in recording polarity. Your points 2 and 3 ...ZX81 and ZX80 emulator on Spectrum 128KA couple of weeks ago we were talking about a new ZX81 emulator for the 128K. Someone beat me. More details at [url="http://www.fruitcake.plus.com/S…
... /> One byte to record the polarity of a file is not ... . I don't know why polarity is not recorded in the ... is a problem in recording polarity.
[/quote]
You ...Microdrives: smelly?They are not talked about much here (probably because nobody had one) but I've always wondered just how good they were. I've heard all the stories ab…
... was to wire in a diode to achieve a more leisurely ...TZX format updateHi folks. Following the private communication with Andy I would like to start a discussion on changing the TZX format to reflect new needs and improv…
... /> of pulses with their respective polarity and durations, which the Supertape ...TS2068 PSU?Just wondering what is the voltage and polarity that the TS2068 PSu has. My unit has no PSU, and I was expecting to either use my Spectrum 12V power …
My friend told me the same but about his TImex Computer 2068... I dunno, suppose it's the same.
What alternative may I get? What is the polarity?TS2068 PSU?Just wondering what is the voltage and polarity that the TS2068 PSu has. My unit has no PSU, and I was expecting to either use my Spectrum 12V power …
[quote]
On 2004-03-06 19:55, Akira wrote:
What is the polarity?
[/quote]
See the link I gave...basil the great mouse detectivehello i have a small problem with this game.when i have completed level 1,spectaculator 6.0 tries to find level 2.it find it,but it does not load it…
... that it depends on the polarity of the
signal ... to WAV with the right polarity (you may have to ... are not sensitive to the polarity of the
signal ... in the
right polarity state.
One last ... RS) such that the polarity is right (for the loader ...
