Each pin shouldn't exceed 16mA of current, either sinking or sourcing, and the entire set of GPIO pins shouldn't exceed more than 50mA at any one time.
Nkedo ọ bụla ekwesịghị igafe 16mA nke ugbu a, ma ọ bụ na-agba ma ọ bụ na-emegharị, na ntinye GPIO nile ekwesịghị igafe karịa 50mA n'oge ọ bụla.