Can I drive a 5v LED direct from an I/O pin (without a current resistor) or do I have to have a current resistor to avoid problems?
MCU: 18F2550
Can I drive a 5v LED without a current resistor?
Can I drive a 5v LED direct from an I/O pin (without a current resistor) or do I have to have a current resistor to avoid problems?
MCU: 18F2550
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