How to Use an Arduino Uno?Īrduino Uno can detect the surroundings from the input. The Arduino software contains a wired library for simplifying the utilization of the I2C bus. There are two LEDs on the board like RX & TX which will blink whenever data is being broadcasted through the USB.Ī SoftwareSerial library permits for serial communication on Arduino Uno digital pins and the ATmega328P supports TWI (I2C) as well as SPI-communication. The software of an Arduino has a serial monitor that permits easy data. The Arduino Uno ATmega328 offers UART TTL- serial communication, and it is accessible on digital pins like TX (1) and RX (0). The memory of this Atmega328 Arduino microcontroller includes flash memory-32 KB for storing code, SRAM-2 KB EEPROM-1 KB. Reset Pin: This pin is used for reset (RST) the microcontroller. Pin-4 (SDA) & Pin-5 (SCL) (I2C): It supports TWI-communication with the help of the Wire library.ĪREF (Reference Voltage): The reference voltage is for the analog i/ps with analogReference(). As the HIGH-value pin, the light emitting diode is activated, whenever the pin is LOW. Pin-13(LED): The inbuilt LED can be connected to pin-13 (digital pin). The suggested voltage range will be 7 volts to 12 volts. Similarly, the batteryleads can be connected to the Vin pin and the GND pin of the POWER connector. The adapter can be connected to the Arduino Uno by plugging into the power jack of the Arduino board. The external power supplies mainly include AC to DC adapter otherwise a battery.

The Arduino Uno power supply can be done with the help of a USB cable or an external power supply.

The Arduino UNO board description is discussed below. The Arduino Uno board can be built with power pins, analog pins, ATmegs328, ICSP header, Reset button, power LED, digital pins, test led 13, TX/RX pins, USB interface, an external power supply.

DC Current for each input/output pin is 40 mA.

The input voltage ranges from 6v to 20V.

The recommended input voltage will range from 7v to 12V.

Wire library arduino uno