(11) How to Understand Common Functions Used in Arduino Programming | pinMode digitalRead & Write

How to Understand Common Functions Used in Arduino Programming | pinMode digitalRead & Write analog
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ABOUT THIS VIDEO
pinMode ( )
The specific pin number is set as the INPUT or OUTPUT in the pinMode () function.

Digital pins
In Arduino, digital pins are the pins that can be used to either read or write digital signals, i.e., they can be used as input or output pins.

digitalRead():
The digitalRead() function in Arduino programming is used to read the state of a digital input pin.

digitalWrite()
digitalWrite() is a function in Arduino programming used to set the state of a digital pin to either HIGH or LOW.

Analog pins
Analog pins on an Arduino board are used for reading analog voltage levels. Unlike digital pins that can only read HIGH or LOW signals, analog pins can read values between 0 and 5 volts.

analogRead():
The analogRead() function in Arduino is used to read the analog voltage value on an analog pin (also called ADC pin). .

analogWrite():
The analogWrite() function in Arduino is used to generate a Pulse Width Modulation (PWM) signal on a digital pin. Unlike digitalWrite(), which can only output a HIGH or LOW signal, analogWrite() can output a range of values on the pin.

delay()
In Arduino coding, delay() is a function that causes the microcontroller to pause or wait for a specified amount of time in milliseconds (ms) before executing the next line of code. The syntax for using delay() is:

Common functions used in Arduino programming include:

pinMode(): Used to set a pin as input or output
digitalWrite(): Used to write a digital value to a pin
analogWrite(): Used to write a PWM value to a pin
digitalRead(): Used to read a digital value from a pin
analogRead(): Used to read an analog value from a pin
delay(): Used to pause the program for a specified amount of time
map(): Used to map a value from one range to another
attachInterrupt(): Used to attach an interrupt to a pin.

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