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1 year ago
# adapter for HP (and other) pen plotter!
* no more soldering of single cables \_(-_-)_/
* just solder on it a DB9 and DB25 adapter :D
this is an adapter according to this [manual p.92](https://pearl-hifi.com/06_Lit_Archive/15_Mfrs_Publications/20_HP_Agilent/HP_7475A_Plotter/HP_7475A_Op_Interconnect.pdf)