Raspberry Pi +
Surplus LCD Monitor +
Open Source +
little bit of custom software =
Connected Digital Photo Frame





Features:

• Updates automatically from 'the internet' wirelessly (via Wifi)
• Photos can be added remotely
• Self contained, one power cord comes out
• Can be any size, whatever surplus LCD monitor or TV you want

Hardware Components

• Raspberry Pi
• Case (optional)
• SDHC Flash Memory Card
• Wifi adaptor
• Powered USB Hub
• Cables
• Power (monitor & hub)
• HDMI to DVI
• USB micro (to power Pi)
• USB mini (to hub)

Software Components

• Client - Raspberry Pi
• Raspbian - standard image pi linux image
• feh (customized version, for photo display)
• wget
• exiftool (for reading captions)
• custom bash scripts to automate photo downloading
• Web Site - LAMP
• PHP
• exiftool (reading & writing captions)
• jpegtran (for photo rotation) [server arch]
• two custom php pages to manage photo

Extras - more projects to add features

• Email photos to CDPF
• Rotate & Crop on web site
• Buttons on CDPF to stop, advance, reverse, delete, etc