Adding 2nd Controller

[Aninhumer]

@ Jaguarandine
well I guess that would be feasable, but it might be simpler to have a USB port on he bottom (away from your fingers)

 

[torpor]

This might be a stupid question, but can you modify the existing USB port to connect to the EXT port pins that allow USB Host? I just think it would be cooler to plug and play rather than having to use the BoB all the time. Like when playing on the bus or train for example.

The EXT port has USB Host pins on it already. All you need is a cable with EXT on one side, USB Host port on the other. I have made such a cable, it is easy. art103 was selling them, but I don't know if he is any more now that the BoB is out and usable.

With an EXT->USB cable, it *is* a simple plug and play situation..

 

[greenmikey]

This might be a stupid question, but can you modify the existing USB port to connect to the EXT port pins that allow USB Host? I just think it would be cooler to plug and play rather than having to use the BoB all the time. Like when playing on the bus or train for example.

The EXT port has USB Host pins on it already. All you need is a cable with EXT on one side, USB Host port on the other. I have made such a cable, it is easy. art103 was selling them, but I don't know if he is any more now that the BoB is out and usable.

With an EXT->USB cable, it *is* a simple plug and play situation..

Is that only for non 'first edition' I thought there was not power to ext wtih these models..I had not done much looking into it because I dont have a breakout box yet..im waiting till there is one with a housing.

Edit:topor..are you still selling those pimp knobs?

 

[nubie]

Is that only for non 'first edition' I thought there was not power to ext wtih these models..I had not done much looking into it because I dont have a breakout box yet..im waiting till there is one with a housing.

Edit:topor..are you still selling those pimp knobs?

No, I have 3.3volts out of the First edition (I used it to power the line-level convertor for my serial cable), I thought GPH said the only difference was the amount of current in the MK2 models, am I wrong?

Nevermind, I have a GP2X and a Digital Multi-Meter right here, so I will just check the MK2.

Yes, the MK2 has only 3.3volts. Just like my MK1 had. So it must be a difference in the amount of current it can handle.

And people were selling the 100ma versions of their USB adaptors long before the MK2 ever was heard of.

It should be fine, and it should be small if you make one designed to be small, I would but I don't have a need to yet.

Edit, by small I mean it could fit under the shell of the Samsung EXT connector, and just have a USB host dongle off of it (just a cable with a "USB A" female style plug on it).

That would be plenty small to buss around (a bad pun).

 

[jmetal88]

Is that only for non 'first edition' I thought there was not power to ext wtih these models..I had not done much looking into it because I dont have a breakout box yet..im waiting till there is one with a housing.

Edit:topor..are you still selling those pimp knobs?

No, I have 3.3volts out of the First edition (I used it to power the line-level convertor for my serial cable), I thought GPH said the only difference was the amount of current in the MK2 models, am I wrong?

Nevermind, I have a GP2X and a Digital Multi-Meter right here, so I will just check the MK2.

Yes, the MK2 has only 3.3volts. Just like my MK1 had. So it must be a difference in the amount of current it can handle.

And people were selling the 100ma versions of their USB adaptors long before the MK2 ever was heard of.

It should be fine, and it should be small if you make one designed to be small, I would but I don't have a need to yet.

Edit, by small I mean it could fit under the shell of the Samsung EXT connector, and just have a USB host dongle off of it (just a cable with a "USB A" female style plug on it).

That would be plenty small to buss around (a bad pun).

Any idea what the actual current output is?

 

[nubie]

Any idea what the actual current output is?

I suppose I could add load until the GP2X crashes, but I don't know what that would prove (besides the risk to my GP2X), except the maximum load on the voltage regulator or batteries likely.

I remember reading something from GPH about higher rated-load, maybe in a missive about the BoB.

I would search that up, but I wouldn't run anything over ~200 - 300mA draw on it anyway, and that puts WiFi and HDDs out of the picture.

Like I say, I don't even use it, at 5.28 volts the 4 AAA NiMH are only +6% off of 5 volts anyway (check your desktop PC sometime and tell me it doesn't go out of range on cheap parts, still works though ).

I figure that pack will deliver enough current for a WiFi or a 2.5" or 1.8" HDD anyway, or I can move to a regulated pack set-up at that time, this one is just a hack to try out the USB host.

 

[jmetal88]

Any idea what the actual current output is?

I suppose I could add load until the GP2X crashes, but I don't know what that would prove (besides the risk to my GP2X), except the maximum load on the voltage regulator or batteries likely.

I remember reading something from GPH about higher rated-load, maybe in a missive about the BoB.

I would search that up, but I wouldn't run anything over ~200 - 300mA draw on it anyway, and that puts WiFi and HDDs out of the picture.

Like I say, I don't even use it, at 5.28 volts the 4 AAA NiMH are only +6% off of 5 volts anyway (check your desktop PC sometime and tell me it doesn't go out of range on cheap parts, still works though ).

I figure that pack will deliver enough current for a WiFi or a 2.5" or 1.8" HDD anyway, or I can move to a regulated pack set-up at that time, this one is just a hack to try out the USB host.

Heh, if I wanted to add a harddrive I would add one that is self-powered, or construct a separate battery pack that I could just plug in to the USB cable for the 'extra boost' (same goes for WiFi). I'd be more interested in a USB cable for maybe using a USB gamepad on-the-go so I could multiplayer game with one of my friends who doesn't have a GP2X (and none of them do) with a Sega Nomad style setup. I actually have a little extra money to spend on parts now, so I'm looking at building myself a cable based on a chip that supplies a minimum 100ma output that peaks at just above 300ma when the input voltage is 3.3v. What I've got lined up so far would cost me about $22, including shipping.