Plotter support for DrawBot

Chiplotle is a Python library that implements and extends the HPGL (Hewlett-Packard Graphics Language) plotter control language. http://music.columbia.edu/cmc/chiplotle/manual/install.html

• You will need a USB to serial (DB9 Male) adapter that is supported by Mac OS. Try one of these: PL2303 (driver below) / FT232 / CP2102 / CH340G http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=229&pcid=41

• And a DB9 Female to DB25 Male serial cable with the following wiring: http://music.columbia.edu/cmc/chiplotle/manual/_static/SerialPlotterCable_Chiplotle.pdf 1:4 2:2 3:3 4:5+6 5:7 6:20 7:8 8:20