Learn how to use the ESP8266 WiFi chip to build Internet of Things (IoT) projects! This book will teach you programming NodeMCU using Arduino IDE. If you want to learn about the world of IOT and how it changes the world we live in, this is a resource book to get started with.
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17-Jan-2020 - Circuit Diagram for IoT based Smart Irrigation System using Soil Moisture Sensor and ESP8266 NodeMCU
DIY Home Automation With ESP8266 (Linknode R4) and Amazon Alexa: Over the last year or so I have became captivated with anything and everything ESP8266 related, and rightfully so. This little WiFi module is everything I have been hoping for in a development board for years. It’s small and compact, and has built...
If you've already got an Amazon Alexa or Echo dot in your home or office, you can easily add your very own devices. In this quick project we'll show how to use an Adafruit ESP8266 Feather HUZZAH to control NeoPixels or a relay. You can easily adapt the code to add any number of devices to a single Feather for all sorts of interactive home automation projects with ease!

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r/esp8266: ESP8266 WiFi Module Help and Discussion. As mentioned in the readme, all credit to this goes to author of the repo I forked, kakopappa. They provided a project that was an example sketch that worked, I just ported it to make it a library so it could be easily added to projects and to try make it a tiny bit more user friendly.
If you read my last tutorial on DIY Home Automation with the LinkNode R4 and Amazon Alexa you already know the foundation of this tutorial, but instead of using a purpose built board this time, I am going to walk you through the steps to accomplish the same thing using a NodeMCU and a 4-channel relay board.
Google Firebase Realtime Database Arduino Client Library for Espressif ESP8266: FirebaseJson: The easiest Arduino library JSON parser, builder and editor for ESP8266, ESP32 and others MCUs. fishyDIYdevices: A library to simplify creating, operating, and using your DIY Internet of Things devices using NodeMCU (ESP8266) devices. GUIslice

Arduino nodemcu esp8266 controlled by amazon alexa

Programming NodeMCU ESP8266 Over-the-Air (OTA) using Arduino IDE. OTA Programming (Over the Air) is a process which allows devices to upgrade their firmware or software wirelessly without any physical access. It uses wireless technology like Wi-Fi, Bluetooth, GPRS or 4G/3G rather than wired serial communication.

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