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General| Microcontroller | ATmega328P |
|---|---|
| Operating Voltage | 5V |
| Input Voltage (recommended) | 7-12V |
| Input Voltage (limit) | 6-20V |
| Digital I/O Pins | 14 (of which 6 provide PWM output) |
| PWM Digital I/O Pins | 6 |
| Analog Input Pins | 6 |
| DC Current per I/O Pin | 20 mA |
| DC Current for 3.3V Pin | 50 mA |
| Flash Memory | 32 KB (ATmega328P) of which 0.5 KB used by bootloader |
| SRAM | 2 KB (ATmega328P) |
| EEPROM | 1 KB (ATmega328P) |
| Clock Speed | 16 MHz |
| LED_BUILTIN | 13 |
| Length | 68.6 mm |
| Width | 53.4 mm |
| Weight | 25 g |
Explains how the Arduino UNO R3 is used for first projects, education, and industry.
Lists related Arduino products like Starter Kits and robots.
Details the conservative thermal limits for the Arduino UNO R3 board.
Illustrates the physical layout of the Arduino UNO R3 board components.
Guides on programming the Arduino UNO via the Desktop IDE and USB connection.
Explains using the Arduino Web Editor for programming, requiring a browser plugin.
Details using Arduino IoT Cloud for logging, graphing, and automating with IoT products.
Informs where to find example code within the Arduino IDE or website.
Directs users to ProjectHub, Library Reference, and the online store for further exploration.
Lists and describes analog pins and related functions on the Arduino UNO R3.
Lists and describes digital pins and related functions like SPI and I2C.
States conformity with essential EU Directives for market freedom.
Details compliance with RoHS and REACH regulations regarding hazardous substances.
