Search results

Here's a really good thread from Bentomo on modretro on the topic: http://forums.modretro.com/index.php?threads/reverse-engineering-the-jumper-pak.628/ Basically what you have to do is this: Connect pins 3 and 17 together. Connect pins 5, 7, 9, 11, 13, 15, 19, 21, 23, 25, 27, 29, 31 each to...

I'd like to know how your relocation holds up in the long run. I did this once and after a while the springiness of the pins started lifting the solder pads off of the board. I ended up flooding the area with hot glue after fixing it several times. As you can see by my pictures you did a...

Rofl no, I'm unedjimacated. As for the screen size question I missed earlier, its a 4:3 screen. It's sacrilegious to play old game consoles in widescreen (and possibly even on an LCD). Here's how I prefer play until I get an RGB monitor: My Multi-Console "portable"

That carbon wrap is beautiful. It goes very well with the aesthetic of the PS2 Slim shell. I might have to wrap one of my PS2's with that material.

@Space Puppy before you try to hook 10 of these Red Boards of in parallel on one set of cells you need to stop and think about this from all the angles. 1. My primary concern. Even if the charging works flawlessly, the Red Board is also the PROTECTION circuit. The Red Board is rated at 3 amp...

You are asking for MY advice. I'm advising if you must run parallel boards then to run 2 cells connected to each individual board. Then run these individual boards in parallel. I haven't tested this so if you must try it be certain to test it throughly. As for running multiple Red Boards...

@Space Puppy I haven't made it around to testing two boards in parallel, like I said I've been too busy for this. As for the theory behind it, I think it could be done safely but you are limited to one Red Board for every 2s1p set. So in your case you'd have two separate 2s1p batteries that...

The TP5100 is a smart charger circuit. It's less than $4 shipped and it works. The Red Board is $8 shipped and it does everything. What are you trying to accomplish by building the whole thing from scratch? There are IC's that handle smart charging but you'll need to dive into the labyrinth...

Yeah sounds about right. Let us all know how it turns out. In my original post I ordered a handful of parts so I could build a demo circuit as fast as possible with the intention of fine tuning it later but I got busy with another project. It turns out my "let's hurry and body work and paint a...

The MOSFET circuit is a diagram of how the Red Board works. It needs the right components to work efficiently (battery life). I haven't dug into this because of other hobbies robbing me of my time lately. The Red Board handles everything the only downside is the charge current is limited to 1...

That board doesn't provide smart charging. The dead give way is generally a smart charger has a coil on board. If you are planning on a 2s battery just use the Red Board described above. As for the switching speed basically yes. If the CPU undervolts on any one of it's cycles the system...

What Aurelio said and by abusing the over voltage protection of a battery protection board you can't get a full charge anyway. A smart charger switches from CC to CV while tapering the current down when it reaches 4.1-4.2 volts (see the graph in the original post). Without this switch the...

What Aurelio said and also a mechanical switch is far too slow even for a CPU switching at 93.75mhz (93,750,000 times a second); otherwise a relay would be a viable solution as well. Think of a transistor like a variable resistor, like a potentiometer that switches extremely quickly. However it...

Here's an idea, use the Red Board because it can safely play and charge right out of the box. To get around the 1 amp of charge current limitation, build your battery removable. (They make very nice 18650 battery holders for this.) With removable cells you can fully "charge" your portable in...

I dig the case but I think it's missing the handle/prong in the middle.

Here's a copper sheet heat sink I threw together for one of my portables. I wasn't confident in a single piece of copper doing the job so I built a heat sink with "fins" and a larger thermal mass. I used 3 pieces that were the max size for my case, 2 pieces that were only just large enough to...

The red board is a good solid board. In another thread I made a post in which I stated that rapidly connecting and disconnecting the 12 volts to Vin caused my N64 to freeze. I have looked into this further and found this statement was false. The freeze was caused by the cartridge shaking in the...

Beautiful work! I put my name on the PowerMii interest list. I guess I missed this because I focus too much on the glorious N64. A Wii portable has been on my radar for a while and your board will simplify the build.

I see, a BMS is definitely a better choice. Glad I could help.

Looking at your board, I'm assuming it handles charging and output voltage regulation. This definitely simplifies the power aspect of portablizing especially while trimming out onboard voltage regulation (like on a Wii or a GC). The board in your picture is labeled for 5v and 3.3v so this can...