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Re: Old IFI FIRST Control systems.
As far as I understand it, there were a few different generations of the IFI system:
2000-2002 Original IFI system (BASIC Stamp 2 based)
2003 IFI System (BASIC Stamp 2sx based)
2004 IFI System (Microchip PIC18F8520 based)
2005-2008 IFI System (Microchip PIC18F8722 based)
I might be off on the years (i think the 8520 based model might have been active from 04-05, and 8722 was new in 06), but I believe these to be the 4 variants that exist.
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