Arduino nano-pulsing IR led project


#1

Hi I’m making a pulsing Ir emitter using arduino nanu
These are the LEDs
MTE1081C -50ma,1.4v
MTE2081-OH5,100ma,1.55v

any way to draw more than 40ma from a arduino pin?

Can I draw total 80 ma using 2 pins shorted? or else any circuit can be used for this purpose
also any way to limit the maximum voltage to 1.55/1.4v than 5v arduino output?

I’m totally new to this.


#2

Hi Bibin,
You can use a transistor driver or UL2803 transistor array for driving LED with higher current.