Digital pin output current

F

Fluxanode

Well-known member
I am seeing that the max output current of a digital pin on a 4.1 is 4mA. So to drive a typical TH red LED requires a transistor in order to get enough current?
 
Nowadays, TH LEDs deliver a fairly reasonable light output with just 4 mA. Try it out and you will see.

Paul
 
You must log in or register to reply here.
Back
Top