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@@ -0,0 +1,47 @@
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+Screen Notes
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+===
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+
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+Resistive touchscreens are probably a necessity as drivers wearing normal gloves will
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+not be able to trigger input events to the DIU screen.
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+
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+There are standard 5 inch resistive touch screens that are available for the RPi.
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+I've found one that has an HDMI adapter, USB power, USB mouse out and a 3.5mm audio
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+jack ([src](https://www.amazon.com/gp/product/B07C3ZX8BZ)).
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+
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+Calibration
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+---
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+
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+I'm still a bit unclear about this, but running this 'out of the box' looks like it improved things (?):
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+
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+```
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+sudo bash
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+apt-get install libts-bin
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+ts_calibrate
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+```
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+
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+There's another program called `ts_test` but I'm having trouble getting that to run.
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+
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+Sound Issues
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+---
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+
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+Sometimes the first few seconds of sound gets cut off.
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+I believe this is caused by the HDMI sound 'going to sleep'.
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+
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+The following looks to fix the issue:
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+
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+```
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+vcgencmd force_audio hdmi 1
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+```
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+
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+If this issue is present, adding the above line to `rc.local` is advisable.
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+
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+I believe I'm still hearing the issue after some time.
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+Maybe there's a time limit
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+or maybe something else makes it go back into it's default state of 'sleep' (the 'dim'
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+function perhaps?) so this might need to be done periodically or on a trigger.
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+
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+References
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+---
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+
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+* Amazon link to ["5inch Raspberry pi LCD HDMI Display Module Resistive Touch Screen 800480 High Resolution HDMI Interface Supports Multi Mini-PCs Multi Systems"](https://www.amazon.com/gp/product/B07C3ZX8BZ).
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+* [Raspberry Pi Touchscreen Calibration Screen Rotation](http://www.circuitbasics.com/raspberry-pi-touchscreen-calibration-screen-rotation/)
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