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Introooducinggg micro45/85! (Unofficially the smallest arduino compatible dev board) it features usb, bread board compatibility, power filtering/ power led! All under 1inch in every dimension. : r/arduino
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Amazon.com: Seeed Studio XIAO SAMD21The Smallest Arduino Microcontroller Based on SAMD21,with Rich Interfaces, 100% Arduino IDE Compatible, desiged for Projects Need Arduino Micro, 1pc : Electronics
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Introooducinggg micro45/85! (Unofficially the smallest arduino compatible dev board) it features usb, bread board compatibility, power filtering/ power led! All under 1inch in every dimension. : r/arduino
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