# adapter for HP (and other) pen plotter!

<img src="adapter.jpeg" alt="the pen plotter adapter " width="400"/>

* no more soldering of single cables :D 
* 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)