Emulate this vintage IR printer, used with Hewlett Packard calculators. Currently text-only, and tested with HP-17BII.
IR receiver extracted from HP C4013A, and connected with an ATTINY1614.
Connect TX of ATTINY1614 via USB/Serial adapter, then run:
minicom -b 115200 -8 -R utf-8 -D /dev/ttyUSB1
Useful links: