piclist 2010\06\04\101752a >
Thread: Using PIC to sample 90 wires
www.piclist.com/techref/microchip/devices.htm?key=pic
face picon face BY : Michael Watterson email (remove spam text)



Andrew Wood wrote:
> Maybe Im just too thick to be working on this because Im totally lost.
>
> I dont see why I cant use strobing to arrange the 90 wires into 9
> columns of 10 and at each crosspoint put an AND gate transistor.
90 transistors  & 19 pins
vs 12 ICs that are cost of two transistors and 3 pins

<4C090AFE.20209@radioway.org> 7bit

In reply to: <4C0905C4.2050102@theiet.org>
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Subject (change) Using PIC to sample 90 wires

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