The Arduino Uno board has over 20 pins that you can use for many different applications. In this post I’ll give you a complete and practical overview of the main Arduino Uno pins.

Sep 20, 2019 · Arduino Uno开发板的引脚分配图包含14个数字引脚、6个模拟输入、电源插孔、USB连接和ICSP插头。 引脚的复用功能提供了更多的不同选项，例如驱动电机、LED、读取传感器等。

The Arduino Uno pinout guide includes information you need about the different pins of the Arduino Uno microcontroller and their uses: power supply, analog and digital pins and ICSP. The guide also discusses different communication protocols used by the Arduino and a detailed diagram of the Arduino Uno board.

Arduino UNO is a microcontroller board based on the ATmega328P. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header and a reset button.

Jan 9, 2025 · Arduino Uno has 14 digital input/output pins (out of which 6 can be used as PWM outputs), 6 analog input pins, a USB connection, A Power barrel jack, an ICSP header and a reset button. The Arduino UNO pin layout is organized into distinct categories, including Power Pins, Digital Pins, Analog Pins, and Special Function Pins.

Sep 10, 2024 · What are the Input and Output Pins of Arduino UNO? Of the 32 pins available on the UNO board, 22 pins are associated with input and output. In that 14 pins (D0 to D13) are true digital IO pins, which can be configured as per you application using pinMode (), digitalWrite () and digitalRead () functions.

Here is a detailed Arduino UNO Pinout Diagram with colored labels and legends to help you easily identify the functionalities that each pin can perform. It also has the Atmega328p AVR microcontroller pinout diagram to ease the mapping from the Arduino IO numbered pins to the actual microcontroller’s pins.

Feb 12, 2025 · In this article, we will provide a detailed introduction to the hardware circuit part of the Arduino development board, specifically the pinout diagram and definitions of the Arduino Uno. The Arduino Uno microcontroller uses Atmel’s ATmega328.

It has a total of 28 pins, including digital I/O pins, analog input pins, and power pins. Below is a detailed description of the pin functions. It offers extensive resources and a wealth of project ideas, making it a go-to choice for educational purposes, prototyping, and a myriad of DIY electronics projects.

Jun 14, 2024 · The Arduino Uno consists of 6 analog pins, which use ADC (Analog to Digital converter). These pins can serve as analog inputs but can also function as digital inputs or digital outputs.