piclist 2001\03\03\093514a >
Thread: frying eggs with a ULN2003
face BY : miked@@spam@elkhart.net

> To get full drive you need the better part of 5 volts on the input.
> (Input is 2.7 kohm into a 2 diode drop darlington input)
> 2.7k x 500 uA + 2 x 0.6v = 2.6 volts
I roasted some once trying to drive them with the parallel port of a laptop
which didn't have full TTL level drivers.

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