Development Board
Arduino UNO
Interactive pinout diagram with educational guides and real-time pin exploration.
Interactive Pinout
Explore pins with hover details and category highlighting
Arduino UNO
Interactive Board Layout
31
Total
0
Selected
Power
Ground
Digital
Analog
Click to explore
USB
_
IOREF
IOREF
RESET
RESET
3.3V
3V3
5V
5V
GND
GND
GND
GND
A0
A0
A1
A1
A2
A2
A3
A3
A4
A4
A5
A5
Arduino UNO
Rev 1.0
_
I2C - CLK
_
I2C - DATA
AREF
AREF
GND
GND
13
D13
12
D12
11
D11
10
D10
9
D9
8
D8
7
D7
6
D6
5
D5
4
D4
3
D3
2
D2
1
D1
0
D0
Hover for details
Click categories to highlight
Use pin categories
Arduino UNO
Click to view board information
PIN CATEGORIES
5
PWM
5
ADC
8
Built-in LED
1
Power
2
Ground
3
Board Information
Arduino UNO is an open source IoT platform.
Microcontroller
ATmega328P
Main processing unit
Technical Specifications
Clock Speed
16 MHz
Flash Memory
32 KB
SRAM
2 KB
EEPROM
1 KB
Power Requirements
Operating Voltage
5V
Input Voltage
7V - 12V
Pin Configuration
Available pins by type
GPIO
Available pins
14
Analog
Available pins
6
PWM
Available pins
6
I2C
Available pins
2
SPI
Available pins
4
UART
Available pins
2
Quick Tips
Essential tips for working with this board
Hover over pins to see their functions and capabilities
Click pin categories to highlight related pins on the board
Power pins (VCC, GND) are essential for any circuit