Search found 143 matches

by Snipeye
Sun Jul 31, 2011 3:28 pm
Forum: 1990's Gaming
Topic: Not enough amps? $5 for the answer!
Replies: 9
Views: 3044

Re: Not enough amps? $5 for the answer!

Pictures, pictures, pictures. If we have more details (such as pictures) we can see what's wrong and help.
by Snipeye
Wed Jul 06, 2011 12:00 pm
Forum: Technical Questions and Answers
Topic: How to get 8V from gamecube to psone screen??
Replies: 5
Views: 1930

Re: How to get 8V from gamecube to psone screen??

Then you should use a power regulator like an 7805 or 7808 to get to 8V. Wrong. 78xx regulators are linear, meaning that they can only drop voltage, not boost it. You'd need to feed it at least 10 or so volts for a 7808 to work reliably, feeding it 3.7 doesn't work. Also, a 7805 would give 5 v...
by Snipeye
Wed Jun 29, 2011 6:02 pm
Forum: 1990's Gaming
Topic: Battery Question
Replies: 8
Views: 3843

Re: Battery Question

Running of AA's is... interesting. To be safe, I'd run off 8 (if you're going to use rechargeable batteries) but 6 is fine (if you're using non-rechargeables, I.E., Alkalines). That's because there's a voltage difference - rechargables are almost always 1.2v, alkalines are 1.5v. Now, when you wire t...
by Snipeye
Wed Jun 29, 2011 8:44 am
Forum: 1990's Gaming
Topic: Battery Question
Replies: 8
Views: 3843

Re: Battery Question

Alight, so it's what I expected -- the charger charges the batteries in parallel, so 1.2V at a time. In order to run the batteries at 7.2v, you'll need them in series. You could take them out of the portable and then charge them, but unless you did some very, VERY tricky switch-wiring, not possible.
by Snipeye
Tue Jun 28, 2011 9:39 pm
Forum: Technical Questions and Answers
Topic: RF to Composite video
Replies: 5
Views: 2467

Re: RF to Composite video

Just a note: Each RCA connector (those yellow, red, and white cables) has only ONE data going through it. Yellow = Video, While = Left Audio, Red = Right Audio. If you shove them all into one connector, you'd get weird things.
by Snipeye
Tue Jun 28, 2011 9:37 pm
Forum: 1990's Gaming
Topic: n64 portable question topic
Replies: 48
Views: 14329

Re: n64 portable question topic

It might be that you don't need it. Try connecting the right-audio to right before the resistor, and see what happens. Might be weirdly loud or something, but that's easy enough to remedy.
by Snipeye
Tue Jun 28, 2011 5:07 pm
Forum: 1990's Gaming
Topic: n64 portable question topic
Replies: 48
Views: 14329

Re: n64 portable question topic

Hypothetically, you can, yes. Still think it would be better to trace back right audio to somewhere that it does work, but it's up to you.
by Snipeye
Mon Jun 27, 2011 1:25 pm
Forum: 1990's Gaming
Topic: n64 portable question topic
Replies: 48
Views: 14329

Re: n64 portable question topic

If you do bridge left and right audio pins, you can't have stereo sound - useful for games like Mario, etc, where you can 'hear' sound from the direction it's coming.
by Snipeye
Sun Jun 26, 2011 11:18 pm
Forum: 1990's Gaming
Topic: Battery Question
Replies: 8
Views: 3843

Re: Battery Question

Considerably, but we'll see.
by Snipeye
Sun Jun 26, 2011 1:15 pm
Forum: 1990's Gaming
Topic: Battery Question
Replies: 8
Views: 3843

Re: Battery Question

From what I understand, you have 2 working ports on a battery charger, I.E., 2 individual slots to charge AA batteries, correct? And from those 2, you want to charge 6? Well, if the 6 are wired in series to give you 7.2v, then no. You can't do it. AA chargers are meant to charge individual, 1.5V of ...
by Snipeye
Sat Jun 25, 2011 9:32 pm
Forum: 1990's Gaming
Topic: Broken pins...
Replies: 3
Views: 1453

Re: Broken pins...

Pictures are worth > words. Juuuuuust saying.

Depending on the pins, if you can solder a small wire to the chip, you ought to be able to trace the contact down to another point and solder the other end there.
by Snipeye
Fri Jun 24, 2011 1:54 pm
Forum: 1990's Gaming
Topic: Not enough amps? $5 for the answer!
Replies: 9
Views: 3044

Re: Not enough amps? $5 for the answer!

Squiggly = L = Inductor = http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=553-1126-5-ND" onclick="window.open(this.href);return false; Play = Schotky (Or someting like that) Diode = http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=1N5822GOS-ND" onclick="window.open(t...
by Snipeye
Fri Jun 24, 2011 1:43 pm
Forum: 1990's Gaming
Topic: n64 portable question topic
Replies: 48
Views: 14329

Re: n64 portable question topic

What exactly are you getting 9v from? Wall adaptor or something?

Anyway, the voltage dropout on a 7808 or usually 1.5-2V, so I don't think it'd work to drop it from 9v. I'd use 10 at least to stay safe.
by Snipeye
Fri Jun 24, 2011 8:53 am
Forum: 1990's Gaming
Topic: n64 portable question topic
Replies: 48
Views: 14329

Re: n64 portable question topic

7808 is a linear regulator, the resistors might have been current limiting, without seeing I don't know for sure. You don't need them in most applications. As for amperage, it depends on how much you're trying to draw. If you want to use 1.25A, then the 1A won't work for obvious reasons.
by Snipeye
Thu Jun 23, 2011 3:12 pm
Forum: 1990's Gaming
Topic: Not enough amps? $5 for the answer!
Replies: 9
Views: 3044

Re: Not enough amps? $5 for the answer!

You need this: http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=LM2587T-12-ND" onclick="window.open(this.href);return false; Look at page 18 of the datasheet, and follow the specs they've listed there. That will let you input 7.4V (roughly) and output 12 at about 1 Amp/hour. EDIT: Da...