DFRobot BEETLE KIT0059, Быстрый старт

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precautions
• This product uses DC power supply with a working
voltage of 5V. 6V and over will damage the product
permanently
.
This product works reliably between
4.5V-5V; it may work under 3V-4.5V, but the reliability is
not guaranteed.
• For large load applications (such as motor control), you
need to connect the loaded VCC and GND directly with
power supply, and parallel with capacitor over 10uF, in
order to prevent restart or malfunction caused by large
load transient.
• In Arduino environment, Beetle has the same features
as Leonardo with multiple serial ports, Serial used for
USB virtual port; Serial1 used for RX/TX port.