Animated high-resolution barcodes as a a workable mode of communication for sending data across an air gap
https://littleplasticsquares.com/high-res-2d-barcodes-for-transmission-over-an-air-gap-part-1/
Animated high-resolution barcodes as a a workable mode of communication for sending data across an air gap
https://littleplasticsquares.com/high-res-2d-barcodes-for-transmission-over-an-air-gap-part-1/