Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•A small size of 35mm×34mm
•Enable users to directly download and debug programs through Micro USB, free from programmer
•Large-scale I/O ports with gold plating, easy to screw wire on it or to sew the board on the clothes with wires, no need to solder
•A group of gold plating power interfaces of honeycomb type, convenient to use
