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#The definitive arduino nano pinout diagram how to
#The definitive arduino nano pinout diagram serial
#The definitive arduino nano pinout diagram drivers
#The definitive arduino nano pinout diagram pro

The Pro Micro has five external interrupts, which allow you to instantly trigger a function when a pin goes either high or low (or both).

#The definitive arduino nano pinout diagram serial

These can be used to interface with digital devices like serial LCDs, XBees, IMUs, and other serial sensors. There are hardware UART (serial), I 2C, and SPI pins available as well. These pins are indicated on-board with a faint, white circle around them. There are five pins with pulse width modulation (PWM) functionality, which allows for a form of analog output using the analogWrite(, ) function. These are useful for reading potentiometers or other analog devices using the analogRead() function. Nine pins feature analog to digital converters (ADCs) and can be used as analog inputs. (The A0-A3 pins can be referenced digitally using either their analog or digital pin number). These pins are referenced in the Arduino IDE via an integer value between 0 and 21. Every pin can be used as a digital input or output, for blinking LEDs or reading button presses. The Pro Micro's I/O pins - 18 in all - are multi-talented. GND, of course, is the common, ground voltage (0V reference) for the system.The Pro Micro will remain "off" until the reset line is pulled back to high. This pin is pulled high by a 10k&Ohm resistor on the board, and is active-low, so it must be connected to ground to initiate a reset. RST can be used to restart the Pro Micro.If the board is powered through the 'RAW' pin (or USB), this pin can be used as an output to supply other devices.

This voltage is regulated by the voltage applied to the RAW pin. This voltage will depend on whether you're using a 3.3V/8MHz Pro Micro or a 5V/16MHz version, it'll be either 3.3V or 5V respectively. VCC is the voltage supplied to the on-board ATmega32U4.

On the other hand, if the board is powered externally, through this pin, the applied voltage can be up to 12V. If the board is powered via USB, the voltage at this pin will be about 4.8V (USB's 5V minus a schottkey diode drop).

RAW is the unregulated voltage input for the Pro Micro.

There are a variety of power and power-related nets broken out:

Serial Communication - Serial is a great, easy-to-use communication protocol.ĭelving a little further into which pins do what.

#The definitive arduino nano pinout diagram how to

How to Install Arduino - A general installation guide for Arduino.What is Arduino? - An introduction to the Arduino platform and IDE.If you're not, consider checking out the related tutorial first. Troubleshooting and FAQ - Helpful troubleshooting tips and tricks for getting the most out of the Pro Micro.īefore delving into this tutorial, here are some concepts you should be familiar with.Example 2: HID Mouse and Keyboard - An introduction to the HID USB capability of the Pro Micro.Example 1: Blinkies - A simple "Hello, world" sketch specifically suited to the Pro Micro and Fio v3.

#The definitive arduino nano pinout diagram drivers

Installing on Mac/Linux - How to install the drivers and Arduino addon on Mac.

Installing on Windows - How to install the drivers and Arduino addon on Windows.

Hardware Overview: Fio v3 - An overview of the pinout and hardware features of the Fio v3.

Hardware Overview: Pro Micro - An overview of the pinout and hardware features of the Pro Micro.

Here's a summary of what will be covered: We'll also dedicate a few pages to helping install the boards on Windows and Mac. This tutorial aims to introduce you to both the hardware and firmware sides of the Pro Micro (and Fio v3).