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DIY simple flash disc (50Kb) - business card

Simple flash disc business card or keychain, File system is stored in internal MCU flash.
Minimum components.

bobriciusbobricius
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Simple flash disc for :
- store CV
- remember on ZX spectrum 48kb era
- learn soldering > you can say "I can make usb stic :)"
- retro design with oldschool TH components

FEATURES:

- Based on microchip mass storage device demo with internal flash
- PIC18F26J50 with 64kb flash and crystal less USB operation
- about 50kb storage
- simple design for key-chain or business card
- minimum components
- DIP or SMD version
- Good project for learn soldering :)
- read/write activity LED
Varians:
- card shape
- TH stick
- SMD stick

MSD_Internal_Flash-pic18f26j50.101.hex

firmware

hex - 179.07 kB - 02/19/2017 at 22:06

Download

PicDisc-stic.sch

sch - 239.36 kB - 02/19/2017 at 22:06

See BOM
Download

PicDisc-card.sch

sch - 555.07 kB - 02/19/2017 at 22:06

See BOM
Download

PicDisc-stic.brd

brd - 55.06 kB - 02/19/2017 at 22:06

Download

PicDisc-card.brd

brd - 61.77 kB - 02/19/2017 at 22:06

Download

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danjovic wrote 04/21/2017 at 13:29 • point

Amazing build,  @bobricius !  This can be used for the good for the bad and for the #Ugly , lol!!!!

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