Arduino Uno Rev3
![Arduino Uno Rev3](https://store-usa.arduino.cc/cdn/shop/products/A000066_03.front_970c6014-61ab-4226-a20f-14cc6d8d682c_934x700.jpg?v=1629816078)
Arduino Uno is a microcontroller board based on the ATmega328P (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM
![](https://store-usa.arduino.cc/cdn/shop/products/A000073_02.back_934x700.jpg?v=1637829605)
Arduino Uno Rev3 SMD A000073
![](https://proteshea.com/wp-content/uploads/2019/04/Uno_HW.png)
Arduino Uno Rev3 - ProteShea
![](https://upload.wikimedia.org/wikipedia/commons/3/38/Arduino_Uno_-_R3.jpg)
File:Arduino Uno - R3.jpg - Wikipedia
![](http://envistiamall.com/cdn/shop/products/atmega328p-ch340-usb-microcontroller-board-arduino-compatible-366628_1200x1200.jpg?v=1668022940)
ATmega328P CH340 USB Microcontroller Board Arduino Compatible – Envistia Mall
![](https://dnycf48t040dh.cloudfront.net/arduino-uno-rev3/fit-in/840x473/1-arduino-uno-rev3-microcontroller-devboard-evr.jpg)
What is Arduino Uno Rev3 and How to Get Started With It
![](https://protosupplies.com/wp-content/uploads/2017/12/Uno-R3-SMD-with-CH340-USB-with-Header.jpg)
Uno R3 SMD with CH340 USB - ProtoSupplies
![](https://www.keyestudio.com/u_file/2206/products/13/ba4b5a1049.jpg)
Keyestudio UNO R3 Development Board Compatible With Arduino Uno R3 +USB Cable
![](https://kksb-cases.com/cdn/shop/products/Dimensions_474d9f6b-c47f-40a1-857b-22e9f921ecf6_800x680.jpg?v=1655548551)
Arduino UNO R3 SMD Clone ATmega328 CH340 — KKSB Cases
![](https://90a1c75758623581b3f8-5c119c3de181c9857fcb2784776b17ef.ssl.cf2.rackcdn.com/643965_345785_01_front_comping.jpg)
Inland IIC SPI 1.3 128x64 OLED V2.0 Graphic Display Module for Arduino UNO R3 - Micro Center
![](https://store.arduino.cc/cdn/shop/products/A000066_01.iso_934x700.jpg?v=1629815860)
Arduino Uno Rev3 — Arduino Official Store
![](https://i.ytimg.com/vi/dSx2uWZeqbE/maxresdefault.jpg)
Arduino Uno Rev3: Exploring Components and Features in Detail