PIC-plot now goes to USB! A perfect low cost solution to quickly get screen plots of your GPIB instrument on your laptop PC without complex software. It emulates the HP7470A operation on the GPIB side, and outputs the HP-GL data at the USB port to be read and stored on the PC by any capturing software. GPIB addresses and other set-and-forget parameters can be configured by a simple Setup menu, then no Dip-switches are used. Power is taken from the USB port to simplify cabling and get rid of a DC adaptor.
The operation of this interface is not just limited to digital plotter emulation: any data intended to be received by a GPIB Device (addressable or listener only) can be captured from the instrument and brought out to the USB port, including raw measurement arrays or rasterized data for a graphic printer. It is based on a PIC16F628 microcontroller and an FT232R chip. PCB size is just 57x64mm.
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