The Arduino Uno is an open-source microcontroller board based on the ATmega328P 8-bit Microcontroller (MCU).
DFRobot provides open-source hardware, kits and robotics dedicated to bringing innovative electronics.
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Arduino Uno Rev 3 with 7 Arduino UNO Projects - DFRobot
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This kit contains all the accessories you need to prepare for electronic beginners' project. It is the best choice as a Christmas Gift, Back to school
DFROBOT Starter Kit for Arduino with 15 Project Tutorials
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Gravity: Starter Kit for Arduino - DFRobot
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Gravity: Starter Kit for Arduino - DFRobot