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xiaobai00 said:are they operating at same voltage or different? one with A is 12 or 5v?
xiaobai00 said:are they operating at same voltage or different? one with A is 12 or 5v?
xiaobai00 said:er.. what i mean is ULN 2003A is operating at 12V or standard TTL logic level, +5V? I just want a straight answer, thanks.
They are just darlington transistors. They do not have an operating voltage. They can drive a load with a supply voltage up to 50V.xiaobai00 said:er.. what i mean is ULN 2003A is operating at 12V or standard TTL logic level, +5V? I just want a straight answer, thanks.