Arduino UNO R3 Without Cable in Pakistan
Introduction to Arduino Uno R3 Atmega328
Arduino is a microcontroller platform that
is based on an open-source electronics prototype.
It is easy to use the Arduino Integrated Development Environment (IDE)
and consists of both a physical programmable
circuit board and a piece of software. The Arduino is one of the more popular boards and is best for beginners Arduino uno pin diagram.
Major Components of Arduino Uno R3
USB Connector
The USB connector is used to load a program from the Arduino IDE.
Power Port
The Arduino board can be powered through an AC-to-DC charger or a battery.
Atmega328P
The Atmega328P microcontroller has the following components:
- Flash memory of 32KB
- RAM of 2KB
- CPU that fetches instructions from flash memory and controls everything
- EEPROM of 1KB (Electrically Erasable Programmable Read-Only Memory)
- Pre-programmed IC with a bootloader
Digital Pins
0 to 13 pins are digital and used for digital data.
Reset Switch
The reset switch is used to reset the Arduino.
Crystal oscillator
The crystal oscillator has a quartz crystal that ticks 16 million times a second.
USB Interface
The USB interface chip converts the signals into a format that the ArduinoR3 board can understand.
TX RX Indicator
TX is used for transmitting data and RX is used to receive data.
Code for LED Blinking on Arduino Uno R3
void setup() {
/*all setup files are here and it will load one time when we press reset button */
pinMode(LED_BUILTIN, OUTPUT); /* define pins here for Arduino Uno Programming */
}void loop() {/* loop function will run again and again and
digitalWrite(LED_BUILTIN, HIGH); /* LED will turn ON */
delay(1000); /* Here is delay for 1 minute */
digitalWrite(LED_BUILTIN, LOW); /* LED will turn OFF */
delay(1000); /* Here is delay for 1 minute */
}
The Arduino Uno R3 is a powerful and versatile microcontroller board that offers endless possibilities for electronic projects and experimentation.
The Arduino Uno R3 is an affordable and widely-used microcontroller board for electronic enthusiasts and hobbyists. It has an Atmega328P microcontroller, which is a pre-programmed IC with a bootloader, making it easy for users to upload new programs directly into the board. The board has a USB port for loading programs, a power port for powering the board, and several digital and analog pins for connecting sensors and actuators.
The board is compatible with the Arduino Integrated Development Environment (IDE), which is an easy-to-use platform for writing, uploading, and testing code. It supports C++ programming and has a large community of users who share their projects, code snippets, and tutorials.
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