Hello
I realized the circuit pic14 an emulation of the celebre mk14 it works. for Karen's Corner pic14
http://www.techlib.com/area_50/Readers/Karen/micro.htm
and emulation mk14
http://www.dougrice.plus.com/dev/seg_mk14.htm
The quartz can be 4 mhz or 20 mhz I would want to load(charge) a program by the serial entrance(entry) with a converter usb
But it does not work made you tests how load has to leave the pc
thank you