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ESP32 (12) – I/O with interrupts

luca February 25, 2017 0

In a previous blog post, I started explaining how to use the esp32 pins for Input/Output operations. Today I’ll show you how to take advantage of the interrupts the pins can generate. Interrupts In computer technology,

ESP32 (11) Led candle

luca February 19, 2017 2

After having published my previous article, I received some comments asking what was the purpose of a random number generator, like the one included in the esp32 chip. Random numbers are widely used in

ESP32 (10) – Random number generator

luca February 10, 2017 0

Today a short tutorial that will explain how to use the random number generator, a peripheral included in the esp32 chip. It’s also an opportunity to show how to interact with internal peripherals and

ESP32 (9) – Basic I/O

luca February 7, 2017 2

With this tutorial we’re going to start using the I/O pins of the esp32 chip. The chip features 40 General Purpose I/O pads (GPIO), that are 40 “contacts” you can use in different ways, both for

ESP32 (8) – tcp connection

luca January 30, 2017 7

After having learned how to connect your esp32 chip to a wifi network, today I’m going to show you how to send and receive data. lwIP The esp-idf framework includes the lwIP library to implement the TCP/IP

ESP32 (7) – menuconfig

luca January 23, 2017 0

You’ve already learned in the previous tutorials that all the configuration of the esp-idf framework is done using a configuration menu: You can use the same menu to set options/parameters for the program you’re

ESP32 (6) – How to connect to a wifi network

luca January 16, 2017 14

In this post I’m going to show you how to connect to a wifi network. The esp-idf framework includes a wifi driver that manages the wifi interface of the esp32 chip. The driver exposes API calls the programmer

ESP32 (5) – Wifi scanner

luca January 9, 2017 3

The main feature of the esp32 chip, as it was for its predecessor esp8266, is for sure the ability to connect to wifi networks. I’ve already blogged in a previous article about the different

ESP32 (4) – Flash, bootloader and FreeRTOS

luca December 22, 2016 8

In the previous posts I’ve described the new esp32 chip and explained how to setup the development environment, including the use of one – optional – graphical IDE, Eclipse. Before starting to develop your

ESP32 (3) – Eclipse

luca December 15, 2016 1

In the previous blog post, I explained how to install the official development framework (Espressif IoT Development Framework) and how to use it to compile your first example, Hello world. Even if you can

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