Arduino programming tutorial in Hindi || What is sketches in Arduino, What is Variables in Arduino
in this video, we learn about Arduino programming fundamentals. Video in Hindi langauge.
What are sketches? What are sketches? what is a function? what is setup in Arduino? what is a loop in Ardunio? what is pinMode in Arduino? what is digitalWrite in Ardunio?
digitalWrite()
[Digital I/O]
Description
Write a HIGH or a LOW value to a digital pin.
If the pin has been configured as an OUTPUT with pinMode(), its voltage will be set to the corresponding value: 5V (or 3.3V on 3.3V boards) for HIGH, 0V (ground) for LOW.
If the pin is configured as an INPUT, digitalWrite() will enable (HIGH) or disable (LOW) the internal pullup on the input pin. It is recommended to set the pinMode() to INPUT_PULLUP to enable the internal pull-up resistor. See the Digital Pins tutorial for more information.
If you do not set the pinMode() to OUTPUT, and connect an LED to a pin, when calling digitalWrite(HIGH), the LED may appear dim. Without explicitly setting pinMode(), digitalWrite() will have enabled the internal pull-up resistor, which acts as a large current-limiting resistor.
Syntax
digitalWrite(pin, value)
Parameters
pin: the Arduino pin number.
value: HIGH or LOW.
Arduino is a prototype platform (open-source) based on easy-to-use hardware and software. It consists of a circuit board, which can be programed (referred to as a microcontroller), and a ready-made software called Arduino IDE (Integrated Development Environment), which is used to write and upload the computer code to the physical board.
Arduino provides a standard form factor that breaks the functions of the micro-controller into a more accessible package.
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