How much Voltage will be present at the GPIO pin for a Microcontroller which has a Vcc(Input Supply voltage) of 3.3V ?
Suppose I need to connect an LED at this GPIO what are the factors or calculations that I have to consider ?
And, How much voltage should I apply to an LED to turn it on? What should be its supply voltage?
Suppose I need to connect an LED at this GPIO what are the factors or calculations that I have to consider ?
And, How much voltage should I apply to an LED to turn it on? What should be its supply voltage?