The ELEGOO UNO R3 puts SDA and SCL pins beside the AREF. Besides, there are two new pins placed near the RESET pin. The ELEGOO UNO R3 board can be powered via the USB connection. ELEGOO UNO R3 Project Super Starter Kit with Tutorial.
UNO R3 Atmega328p Development Board for Arduino Compatible USB Cable for sale online
ELEGOO UNO R3 Board ATmega328P with USB Cable(Arduino-Compatible) for Arduino Review
DiGiYes ATMEGA328P CH340G Chip R3 Development Board Fit for Arduino UNO R3 Mega 2560 Nano Robot with USB Cable, Straight Pin Header, Microcontroller Board : Electronics
Keyestudio UNO R3 Development Board Compatible With Arduino Uno R3 +USB Cable
ELEGOO MEGA R3 Board ATmega 2560-16AU+ USB Cable Compatible with Arduino IDE Projects RoHS Compliant - AliExpress
ELEGOO UNO R3 Board ATmega328P with USB Cable(Arduino-Compatible) for Arduino Review
The chip ELEGOO MEGA R3 board is Atmega+2560-16au and 16u2, same with the official version. The ELEGOO UNO R3 BOARD now uses an 16U2 instead of the
ELEGOO MEGA R3 Board ATmega 2560(Black) & ELEGOO UNO R3 Board ATmega328P
ELEGOO UNO R3 Controller Board ATmega328P with USB Cable, Compatible with Arduino IDE : Electronics
ELEGOO UNO R3 Board ATmega328P USB Cable(Arduino-Compatible) for Arduino
ELEGOO Uno R3 Board ATmega328P ATmega16U2 with USB Cable for Arduino
Treedix ATmega328P CH340 Development Board Compatible with Arduino UNO R3 Board Kit for Starter with Cable : Electronics
Nano V3.0 Board (3pcs) – ELEGOO Official
UNO R3 Atmega328p Development Board for Arduino Compatible USB Cable for sale online