RPi HDMI LCD Touchscreen
Found 2 low cost '5 inch HDMI LCD Touchscreens' 800x480 on eBay...
- https://www.google.be/#q=52pi+hdmi+usb+touch+screen 52piTechnology
- http://www.waveshare.com/5inch-hdmi-lcd.htm WaveShare
HDMI 800x480 setting
Both work with the following code in /boot/config.txt (found here)
#increase HDMI signal strength (just a black screen if not set!) config_hdmi_boost=4 #remove black borders disable_overscan=1 #set specific CVT mode hdmi_cvt 800 480 60 6 0 0 0 #set CVT as default hdmi_group=2 hdmi_mode=87
Touch & power
Here are some 'hints' to get them working... (user space drivers with /dev/uinput events injection)
52pi
- Power & control via micro USB (0eef:0005 custom (?) /dev/hidraw* control; see dmesg)
- Power & control through RPi P1 connector (SPI+CS1) (XPT2046 controller)
Notes
- There is now an official RPi 7 inch capacitive screen.
- Injecting events in /dev/uinput (from a user space driver) is the easiest way to get something working (and keep it working after kernel upgrades)