>This method is something that I actually just thought off after I
>fired off my last email!!! Since my 7-seg's are common cathod, I
>would need some sort of transistor between the common-cathod pin
>and ground, correct? What came to mind was a n-channel MOSFET
>(low side switch). This seem like a reasonable approach?

Use a ULN2803 for this. It has 7 Darlington transistors in a single 14 pin
package.

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