Max Current for Digital Pins: Is it limited by the board?

[LarryD]

If that’s a red red black brown resistor, it is 2.2k

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Okay, .84v ÷ .00369 ≈ 241Ω

.84v(220) + 1.89v(LED) = 2.78
3.3v - 2.78 = .52 across the o/p pin still high