PTP

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New!  PTP ExpressPCB Design Files and Digikey BOM

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Propeller Touchscreen Platform   Now Available!

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Features:

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Propeller Platform Compatible

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Drives the $10 3.5" touchscreens   

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Amplified audio out

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Full-size SD card

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Mounting holes for optional 4-cell AAA battery pack (mounts underneath) 

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Three varieties available:

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PTP "Full Build" has all components installed (except optional battery holder and expansion eeprom socket).  Just connect a screen and you're ready, Only $65.

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PTP "Shield" has just those components needed to drive the screen.  Mount this shield on your Propeller Platform board and you're ready. 

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The PTP Shield is now available at GadgetGangster.com !
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PTP bare boards are available for $10.

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To order, just  Email Me with what you want.

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Available Accessories:

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4-cell AA battery holders are $2

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spare eeprom sockets are $1    (compatible with 3AD module).

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Schematics

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Example Code:

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Download PTP Graphics Demo: This is the Parallax TV "Graphics Demo" example that has been adapted to the PTP screen.

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Download PTP Paint!: This is a screen drawing app that demonstrates a touchscreen interface.

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Download PTP Waveplayer:  Plays stereo wav files from SD card to headphones.

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Updated 10Aug10 to FSRW 2.6 for better reliability.

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You can download the example .wav file here

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Note:

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The codes above actually use "DE" mode to drive the display

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In DE mode, the sync signals on P16 and P17 aren't really used

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You can use this driver in this example to recover P16 and P17 for other uses.  

 

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PTP Design Files and Bill of Materials (BOM)

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The PTP was designed using free software from ExpressPCB.

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Download the current PTP design files here

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All components of the PTP are available from Digikey.

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Click here to open the single-file web page version of the BOM.