frankcalzia:
Voltage at the LED is just over 5v. An LED at the 5v/gnd connections from the Arduino isn't bright either, even without a resistor!
Damaged LEDs...? Try a different one.
frankcalzia:
Voltage at the LED is just over 5v. An LED at the 5v/gnd connections from the Arduino isn't bright either, even without a resistor!
Damaged LEDs...? Try a different one.