Hello, Since all the digita pins are in use I want to use the A0 as digital output to light up an IR led. Normaly for digital pins I first define the pin number (eg Pin8) and then put the led HIGH or LOW: int led_IR = 8; pinMode(led_a, OUTPUT); digitalWrite (led_a, HIGH); When I try to do the …

Define analog pin as output

Topic		Replies	Views
int. varible or input? Programming	8	2128	May 5, 2021
DigitalWrite on Digital + Analog Pins Programming	7	30327	May 5, 2021
Syntax question regarding analog pins... Programming	18	4091	May 5, 2021
analogici usati da digitali.. Software	25	6950	May 7, 2021
Digital Write to an Analog Input Programming	8	1882	May 5, 2021