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Holiday Notice: Elecrow staff will be on holiday starting October 1st (GMT+8).
PCB & PCBA orders will resume delivery from Oct. 4th, and
Product orders from Oct. 7th. Orders can still be placed as usual. 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.