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ESP8266 Internet of Things Cookbook

You're reading from   ESP8266 Internet of Things Cookbook Over 50 recipes to help you master ESP8266 functionality

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Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781787288102
Length 268 pages
Edition 1st Edition
Tools
Concepts
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Author (1):
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Marco Schwartz Marco Schwartz
Author Profile Icon Marco Schwartz
Marco Schwartz
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Table of Contents (9) Chapters Close

Preface 1. Configuring the ESP8266 FREE CHAPTER 2. Your First ESP8266 Projects 3. More ESP8266 Functions 4. Using MicroPython on the ESP8266 5. Cloud Data Monitoring 6. Interacting with Web Services 7. Machine to Machine Interactions Index

Dimming an LED

In this section, we are going to look at how to dim an LED using the analog output function. This will involve controlling the brightness of an LED that is attached to one of the GPIO pins of the ESP8266.

Getting ready

You will need an ESP8266 board and a USB cable to do this tutorial. There will also be some additional components required for this project. They include:

Start by mounting the LED onto the breadboard. Connect one end of the 220 Ω resistor to the positive leg of the LED (the positive leg of an LED is usually the taller one of the two legs). Connect the other end of the resistor to another rail of the breadboard and connect one end of the jumper wire to that rail and the other end of the jumper wire to pin 4 of the ESP8266 board. Take another jumper wire and connect one of its ends to the negative leg of the LED and connect the...

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