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Dot Matrix Truck
It's like skywriting - but on the road. I turned my truck into the "world's largest" dot matrix printer. Now I can leave drive-by messages in front of friends' houses.
This was a project I thought of during the pandemic. I ordered the supplies a few years ago and never actually did anything with them, so I wanted to finally make it happen. I skipped over some of the technical details, so if anything's unclear let me know.
I'll also post the code on my GitHub for anyone who's interested.