A power supply adapter that provides from 7 to 12V (Volts) of DC (Direct Current) is required. Some Arduino boards like UNO, MEGA and DUE, come with an AC socket that can be used to power the boards and to supply additional voltage if needed. It provides 5V DC voltage and can be sourced from the port from a PC, wall socket adapter or portable power bank. USBĪrduino boards can operate satisfactorily on power that is available from the USB port. Look for technical specifications in Arduino Docs. Never connect an external power supply before checking the input voltage limits. Note: Incorrect input voltage can damage your board. If you like to know more about this, the different ways to supply power to your board are listed below: The most common way is through the USB connector available on every board, but there are a few other possibilities to power your board. There are different ways to power your Arduino board. A power supply is what is used to provide electric power to the boards and typically can be a battery, USB cable, AC adapter or a regulated power source device. All Arduino boards need electric power to function.
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