# ESP8266 Wifi With Arduino Uno and Nano

DevFeed: [ESP8266 Wifi With Arduino Uno and Nano](<https://devfeed.tech/articles/esp8266-wifi-with-arduino-uno-and-nano-20702.md>)

Original publisher: [Read original article](<https://docs.microsoft.com/archive/blogs/abhinaba/esp8266-wifi-with-arduino-uno-and-nano>)

Author: Abhinaba Basu \[MSFT\]

Published: 2016-01-23T15:37:42Z

Content type: tutorial

Language: en

Sources: [Abhinaba Basu](<https://devfeed.tech/sources/abhinaba-basu.md>)

Topics: [Arduino](<https://devfeed.tech/topics/arduino.md>), [ESP8266](<https://devfeed.tech/topics/esp8266.md>), [Internet of Things (IoT)](<https://devfeed.tech/topics/internet-of-things-iot.md>), [Internet of things](<https://devfeed.tech/topics/iot.md>), [Lua](<https://devfeed.tech/topics/lua.md>)

Tags: [arduino](<https://devfeed.tech/tags/arduino.md>), [connectivity](<https://devfeed.tech/tags/connectivity.md>), [esp8266](<https://devfeed.tech/tags/esp8266.md>), [iot](<https://devfeed.tech/tags/iot.md>), [sensors](<https://devfeed.tech/tags/sensors.md>), [wifi](<https://devfeed.tech/tags/wifi.md>)

## AI overview

This tutorial explains how to connect an ESP8266 Wi-Fi module to an Arduino Uno or Nano. It covers the separate 3.3V power requirement, the module's higher current draw, serial communication limits, baud-rate configuration, and voltage compatibility between the boards.

## Source excerpt

If you are trying to add Wifi connectivity to an existing Arduino project or have serious...