Hackaday (unofficial) December 28, 2021 8:00pm DIY Infrared Calculator Printer #handheldshacks #retrocomputing #calculators #irprinter #irda #redeye #sir #hackaday posted by pod_feeder_v2 DIY Infrared Calculator Printer [Ziggurat29] had been playing around with infrared protocols, and realized he had a spare point-of-sale printer kicking around in his junk box. So he decided to whip up his own calculator infrared …