To provide reference voltage for input voltage.Īrduino Uno Board Internal Specifications Microcontroller Used to receive and transmit TTL serial data. Used to provide analog input in the range of 0-5V Vin: Input voltage to Arduino when using an external power source.ĥV: Regulated power supply used to power microcontroller and other components on the board.ģ.3V: 3.3V supply generated by on-board voltage regulator.
Arduino Uno Microcontroller Board Pinout Configuration # In this article we will see & cover Arduino Uno microcontroller development board pinout and The pin configuration.
