The Arduino Uno R3 is a microcontroller board. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz
Arduino UNO R3
Arduino Uno R3 from Wavgat
Arduino Uno R3 : ID 4806 : $22.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Arduino Uno R3 Complete Guide For Beginners
Arduino UNO Rev 3: high-resolution pinout, datasheet, and specs – Renzo Mischianti
ADIY UNO R3 - Compatible CP2102 at Rs 454/piece, Arduino Electronic Development Board in Mumbai
Arduino UNO R3 CH340G Arduino Electronic Development Board, Port Type B at Rs 300/piece, Arduino UNO Board in New Delhi
UNO R3 + WIFI ESP8266 + CH340G Arduino and WIFI - a Versatile Development Board : 6 Steps - Instructables
For Arduino UNO R3 PLUS Sensor I/O Shield Atmega328P Atmega16U2 Expans – Aideepen
Arduino Uno Rev3 — Arduino Official Store
Arduino uno r3 not working! - IDE 1.x - Arduino Forum
DFRduino UNO R3 with IO Expansion Shield and USB Cable A-B - DFRobot
Arduino Uno - R3 - DEV-11021 - SparkFun Electronics
This development board is based on the common Arduino Uno R3 reference design. It is identical in specification other than it makes use of the
Arduino Uno compatible (CH340) Development Board
Review] The cheapest Arduino Uno R3 compatible: VISduino - Bar Sport - Arduino Forum