At 05:55 PM 1/4/01 -0500, Gonzalo Jimenez Yamasaki wrote:
>     Hi Roberto,
>
>     You MUST use a resistor between RA4 and the base of your transistor...
>why? just make a little equation:
>
>     V(RA4) = Ib * Rb + Vbe
>
>     you have Rb = 0, so you are forcing V(RA4) = Vbe (usually 0.7 V)

Why do you see this as a problem?
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