12/26/2023 0 Comments Uno pinoutThe Arduino program is called a sketch which you need to unload into the board. The Arduino UNO board is programmed using Arduino IDE software which is an official software introduced by to program the board. The following figure shows the Arduino UNO Pinout for better understanding:Īrduino UNO is easy to program and a person with little or no technical knowledge can get hands-on experience with this board. There is a range of Arduino boards available in the market but the Arduino UNO is the most common board used in the electronic industry. The TX is a transmit pin used to transmit the serial data while RX is a receive pin used to receive serial data. TX/RX: Pins TX and RX are used for serial communication. Four Pins 10(SS), 11(MOSI), 12(MISO), 13(SCK) are used for this communication. SPI: The SPI stands for Serial Peripheral Interface. Voltage Regulator: The voltage regulator controls the voltage that goes into the board. VIN: It is the input voltage applied to the UNO board. Micro SD Card: The UNO board supports a micro SD card that allows the board to store more information.ģ.3V: This pin is used to supply 3.3V power to your projects.ĥV: This pin is used to supply 5V power to your projects. Power LED: This is a power LED that lights up when the board is connected with the power source. USB Interface: This interface is used to connect the board with the computer and to upload the Arduino sketches (Arduino Program is called a Sketch)ĭC Power Jack: This is used to power up the board with a power supply. This button is useful when the board hangs up, pressing this button will take the entire board into an initial state. Reset Button: This button will reset the code loaded into the board. These pins can read the analogue sensor and can convert it into a digital signal.ĪREF: It is an Analog Reference Pin used to set an external reference voltage. PWM stands for Pulse Width Modulation, using this process we can control the speed of the servo motor, DC motor, and brightness of the LED.ĭigital I/O Pins: there are 14 digital (0-13) I/O pins available on the board that can be connected with external electronic components.Īnalogue Pins: there are 6 analogue pins integrated on the board. Ground Pin: there are several ground pins incorporated on the board. The Arduino UNO board contains the following components and specifications:ĪTmega328: This is the brain of the board in which the program is stored. The operating voltage of the unit is 5V which projects the microcontroller on the board and its associated circuitry operates at 5V while the input voltage ranges between 6V to 20V and the recommended input voltage ranges from 7V to 12V. The unit comes with 32KB flash memory that is used to store the number of instructions while the SRAM is 2KB and EEPROM is 1KB. USB cable is used to connect the board with the computer and Arduino IDE (Integrated Development Environment) software is used to program the board. This board can be interfaced with other Arduino boards, Arduino shields, Raspberry Pi boards and can control relays, LEDs, servos, and motors as an output.Īrduino UNO features AVR microcontroller Atmega328, 6 analogue input pins, and 14 digital I/O pins out of which 6 are used as PWM output. What is Arduino UNO?Īrduino UNO is a low-cost, flexible, and easy-to-use programmable open-source microcontroller board that can be integrated into a variety of electronic projects. In this post today, I’ll walk you through the Arduino UNO in detail as I’ll cover each and everything related to Arduino UNO including what is Arduino UNO, its features, pinout, programming, and applications.
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