Cardboard box projectors?

Author: red5-626
Date: 21-Sep-2017, 2:56 PM

Author: red5-626
Time: 21-Sep-2017 2:56 PM
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OK I wasn’t going to ask this here but no one else I know seems to have a brain.
I’ve seen people make cardboard box projectors, that use smartphones and tablets.
I tried it out of curiosity. but I have a problem. Everything is projected backwards like
a mirror. Words go from right to left. Using Android, is there any way to temporarily alter the display?

Author: timemeddler
Time: 22-Sep-2017 7:13 AM
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when I was modifying my overhead into a cheapo experimental projector, I used vlc players transform option to pre-flip the image so it came out correct, why not build one of these while your at it?
https://www.engadget.com/2006/10/17/how-to-build-your-own-hd-projector-part-1/