Hackaday (unofficial) November 17, 2024 10:00am Classic LED Bubble Displays Ride Again #ledhacks #ascii #bubble #hewlettpackard #hpdl1414 #led #serial #hackaday posted by pod_feeder_v2 Classic LED Bubble Displays Ride Again Hewlett-Packard used to make some pretty cool LED displays, many of which appeared in their iconic pocket calculators back in the 1970s and 1980s. [Upir] tracked down some of these classic bubble d…
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