Difference between revisions of "LeapFrog Pollux Platform: Cartridge"
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Latest revision as of 19:14, 25 November 2013
Contents
Details
The cartridge connector of the LeapFrog Pollux Platform family of devices makes available two very useful set of pins. There is a TTL level UART connection, and connections for an SD card. With a MAX232 level converter the UART can be connected to a terminal, to give you console access to your device. While hooking up an SD card can allow for extra storage or with some additional software, contain a bootable operating system.
Pinout
The cartridge connector has fairly easy access, once the case is removed, to solder wires on to it. A warning, it is tight, so you should be moderately experienced with soldering at least. You can use these pinouts to break out what connections you need, using this method.
LeapFrog Cartridge
LeapFrog OEM game cartridges
Are usable on any iteration of LeapFrog Pollux Platform devices as they all use the same form factor. As for content each device is backwards compatible with the software. Manufactured by Sandisk
- s740878-1
- 4620329
- 0621
- 151-10043-07-a
LeapFrog Cartridge Front
LeapFrog Cartridge Back
Hack an Original Cart
- Features
- Cheap and easy if you have the parts already.
- Much easier than soldering to the connector in the device.
- USB adapter pictured for UART access.
Modified original cartridge
Buy a Custom Cartridge
DJHI "Did Ja Hack It?
- Features
- Completely built and ready to use, requires only USB to Serial adapter.
- microSD socket
- Buy one at JerTechOnline.com
Rendering of the board currently being shipped
The schematic of the board currently being shipped
Picture of an unpopulated board
A fully populated board with a breakout board attached
DIY Custom Cartridges
These are boards designed by people who provided the necessary files for you to order your own PCB, or etch one at home. If you have the know how, or need something special, this is a good place to start.
All Pins Broken Out
- Features
- Easy to make at home (can be made with a radioshack kit and a dremel)
- Allows access to all connector pins.
- Cartridge locks in like the OEM version.
- PCB layout files.
- Building the board.
- Requires ability to etch your own PCBs
- Superglue a small piece of FR4 in the corner and dremel a notch out. (see dimensions below)
- You will also need a spacer on the top and bottom and those dimensions are also included.
The breakout board
The bottom of the board
The breakout board clicked into the Didj
The board hooked up to a sd card and FTDI cable (same as Claudes board)
The dimensions of the basic cartridge
The laser printout for the toner transfer (Remember to mirror your printout and turn off the unused layers)
SD, USB Serial, and NAND Cartridge
- Features
- Jumpers (For custom bootloader)
- SD Card (Enabled through the custom bootloader)
- USB through a FTDI chip
- Optional NAND
- PCB layout files.
Rendering
Populated Cartridge
SD and USB Serial Cart
- Board untested, use at your own risk.
- Features
- Fits (mostly) within the Didj
- Includes an FTDI FT232RL USB-Serial adaptor for Bootloader and Serial Console
- Includes SD card slot
- Includes solder jumpers for custom bootloader
- Open Eagle source files (CC Attribution, Non-Commercial, Share Alike)
- PCB layout files.
UART With Out Cartridge
It is possible to directly solder wires to the back of the cartridge connector.
Connecting w/o Cartridge
If you don't have a cartridge that breaks out the necessary connections, and you're good with a soldering iron, you can carefully solder on the necessary wires to the internal connections. Then bring the wires out to your serial adapter of choice.
- Green UART-TX
- Grey UART-RX
- Black GROUND
- Red +3.3V
