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September 2, 2010 // 3:52 am - With the release of PSGroove opensource PS JailBreak exploit for PS3, many are having trouble sourcing the required Teensy++, AT90USBKEY2 or AT90USB162 boards.

That said, today (linked above) has shared schematics for the Teensy so that users can build their own if they wish.

As always, click on the picture below to enlarge it folks.

Finally, those who aren't into DIY solutions may also wish to look into either the AT90 USB thanks to Fuddster or the BlackcatUSB Flash Memory Programmer (from version 1.2 on) which uses the same microcontroller (AT90USB162) as confirmed by chesteruhi. More on that soon, including a video!

To quote: "The full schematics are available below (1.0 are on the top 2.0 are on the bottom)."

PSGroove USB Boards and DIY Teensy Schematics Detailed

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#37 - ydgmms - September 12, 2010 // 9:49 pm
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Nope. Still no LED love for me and my Teensy1.0 clone (at90usb162 based).

Oh well.. saves me a few cents on parts for other ones.

#36 - killpacient - September 12, 2010 // 2:49 am
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hey there... just finished building up my pcb. its a teesy 1.0 + a little modification. I removed the bat54c (its not that necesarry kinda usless actually) and placed the led pin12>led>res>gnd. mini usbconnector and one 000 resistor (bridge) it`s designed to work with at90usb162 cuz i didn't found any other chip.

#35 - ydgmms - September 12, 2010 // 1:03 am
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Polarity was correct.

However, I did not even THINK about operating voltage of the LED. I know it was a higher powered LED, from my old Xbox1 modding days. It was a good led, but yeah I've since lost the specs on it... But thanks for that, its something I'll have to test out tomorrow.

#34 - doubljdog - September 11, 2010 // 11:41 pm
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This may be a dumb question, but would a maximus USBXtractor probe for key extraction on xbox 360 liteons be reprogrammable in anyway? Or is it a simple usb-serial type of connection there, just curious if it had any sort of microcontroller in there that would be similar.

#33 - Red 13 - September 11, 2010 // 8:57 pm
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Yes it works. Have you checked that it is installed correct, anode/cathode? If you look at the led from the side, tru the plastic, the big part is the anode (+). Do you know the operation voltage of your LED?

You can also use an ohmmeter and mesure between pin 12 on the IC and GND while you are booting up the ps3, without pushing the eject button. It should read close to 0 ohm. Then you know that there is nothing wrong with the IC and the hex.

Is it possible to edit the hex file so the led operation is reversed?

Now it comes on during booting, and the switches off after.

I want it to do the opposit, come on when the ps3 is switched on, then go off during booting, to show a sucessfull boot, then come on again to show that i am using the jailbreak. Or do i have to do some soldering? A NOT gate would do the job.

#32 - ydgmms - September 11, 2010 // 8:10 pm
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Is your LED working properly?

edit: See the pics now.. it appears yours is working. I wonder why mine doesn't seem to work. I guess I'll have to quadruple check everything.

#31 - PS4 News - September 11, 2010 // 6:39 pm
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Very nice job Red 13 +Rep, and Thanks for sharing the parts list and layout you used.

#30 - Red 13 - September 11, 2010 // 6:22 pm
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Just finished my stripped Teensy 1.0, made on a Prototyping Board. And it works I had to modify my printboard layout slightly, to make more rom for the crystal, and the switch. The soldering of the IC whent smoother then i had expected. The legs are very thin, and breaks easily with a wire attached to them... So after i had solderd all the wires to the IC, i dipped it in super glue.

I used the BAT54C Schottky diode, and its a SMD, so its wery small. I could have just used two regular Schottky diodes. I also soldered the usb cabels shielding to the print board, to take the stress of the usb wires. Also "made" a housing for the board, from somthing i had inn my back pocket

I didn't get it to work in Win7, it wouldn't accept the drivers. Works perfect in XP. I used Flip to do the flashing, and the teensy 1.0 hex file.

Parts List:
Ceramic capacitors
3x 1uf
1x 0,1uf
2x 10pf

Metal film resistors
2X 22
2x 1k

1x Led
1X BAT54C Schottky diode, or two regular Schottky diodes

1x Miniature switch (Print key)
1x Atmel AT90USB162-16AU IC
1x 16MHz crystal (HC-49)
1x USB cabel
1x Prototyping Board
28awg or 30awg wire
Glue, epoxy or super glue

#29 - ydgmms - September 11, 2010 // 6:00 pm
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Yeah its all right. I'm an EE, while it is possible for me to do something small like that, i checked it over n over.

It also doesn't work on the actual 2 Teensy 2.0 boards I got. Flashed the posted HEX file, and while the hack works..the LED didn't actually do anything. Not a huge deal, the main part works and thats what matters.

#28 - tragedy - September 11, 2010 // 11:45 am
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Quote Originally Posted by ydgmms View Post
I wired as shown in the schematic. No go.

Not to be patronising or anything, but any chance you've got the polarity on your LED wrong? I made that mistake on my second board when I changed it to GND pull down and forgot to rotate the LED. That really is the most likely if you're not getting the LED lighting either way round.