03/13/2017 (Mon) 06:22:51
Display: 1x USB powered HDMI monitor
No computer actually needs a video display, as blind computer users demonstrate, but having one is much better than not.
The easiest and most reliable display for the DIY Modular Open Source Laptop would a USB powered portable HDMI monitor. This is the only option that is plug and play in both power and video cable, with no driver installation needed. Just connect the HDMI cable to the SBC and the USB cable to the 5V 2A USB powerbank.
GAEMS M155 Performance Gaming Monitor 15.5" LED TN LCD, 1366 x 768 ($169.99)
GeChic 1503H 15.6" IPS 1080p Portable Monitor ($349.99)
GeChic 1002 10.1" Portable Touchscreen Monitor IPS 1280x800 ($245.99)
Elecrow HDMI Display Monitor 5 Inch 800x480 TFT ($38)
The next best option is a 12V portable LCD monitor. These are commonly available as security camera monitors, photography field monitors, portable TVs, LCD panels for SBCs. These will need either a 12V 1A power supply or 5V 3A to 12V 1A DC to DC converter ($5), both of which can be provided by USB Type C powerbanks. An HDMI to VGA or HDMI to AV converter ($5) may be needed if the monitor has no HDMI input.
Another option would be to use a LVDS controller board ($30) with a laptop LCD panel (>$70) and 5V 3A to 12V 1A DC to DC converter. This is the cheapest and most flexible option, but is significantly more complicated than the previous options and may need soldering.
The last option would be to make a DIY display. With enough soldering and programming, it could be possible to create seven segment character displays from LED arrays.
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