Raspberry Pi & Philips PicoPix
We have a web-based status screen at work that monitors most of our PHP & MySQL based systems, and prints little green or red boxes accordingly. It's spent most of its life sitting in a tab in my browser, which is obviously a problem when I'm not there, or not looking at it!
We decided to rectify this by projecting it onto a wall, as the layout of the office means there are no easy corners to stick a big monitor in.The projector we chose was a Philips PicoPix, and we were to run the status monitor from a Raspberry Pi over HDMI.
The nice thing about the PicoPix is the mini-usb connector on the back, which means you only have to get power to the projector, and the RPi can run from that!
The RPi, running Raspbian Wheezy, didn't pick up the resolution of the projector correctly, so a little configuration was required.
Add these lines to config.txt to force it to create the correct mode, and use it by default:
hdmi_cvt=854 480 59.66 3 hdmi_group=2 hdmi_mode=87 hdmi_force_hotplug=1 hdmi_drive=1
Set the PicoPix to "Optimal" screen mode in the settings. With these changes I get a resolution of 848x480, which is pretty close. If you manage to get the full 854x480 resolution let me know how!
We planned to keep the RPi close to the projector, so short cables make for the easiest installation.
The PicoPix comes with a male mini-USB to female USB cable, so a short male USB to male micro-USB was all that was needed to power the RPi (like this one).
The HDMI connector on the PicoPix is a mini-HDMI, so you need an adaptor or a cable with the mini-HDMI connector on one end (like this one)