Elegoo UNO R3 microcontroller

Elegoo is a prominent Chinese technology company specializing in open-source hardware, 3D printing, and electronics kits. The Elegoo UNO R3 is a microcontroller board based on the ATmega328P, designed as a compatible version of the original Arduino Uno design.

Founded in Shenzhen, the brand has established itself globally by providing affordable alternatives to official Arduino boards while maintaining a high level of quality for makers and hobbyists. The product is manufactured in China, benefiting from the robust electronics production infrastructure in the Shenzhen region. Elegoo remains an independent entity owned by its founding team in China, focusing on the global education and DIY electronics markets.