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Holiday Notice: Elecrow will be on holiday from May 1-4. You can still place orders during this time. PCB & PCBA orders will be processed from May 4th, and product orders will start shipping from May 5th. Enjoy the holidays!
One of the most popular open source hardware on the market, Arduino launched the Uno R3 in 2010, and 13 years later, an upgraded version - the Arduino Uno R4 - has been released with a giant leap in processing power, memory, storage, and network connectivity.