April 2017
Intermediate to advanced
268 pages
5h 36m
English
Content preview from ESP8266 Internet of Things CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Reading analog signals
The ESP8266 has one analog pin that we can use to read analog signals. In this recipe, we will be looking at how to write a sketch that reads analog signals. This will enable us to read input from analog sensors.
Getting ready
Connect your ESP8266 board to your computer via a USB cable and set up your Arduino IDE (refer back to Chapter 1, Configuring the ESP8266). Once that is done, you can proceed to make the other connections.
In this recipe, we will need a breadboard and jumper wires in addition to the ESP8266 board. Mount the ESP8266 board onto the breadboard and then connect a jumper wire from the analog ADC pin to the GND pin. The connection should be as shown in the following diagram:
How to do it…
We will use the analogRead() ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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