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ESP32 (18) – Access Point

ESP32 (18) – Access Point

luca May 20, 2017 0

In all the examples so far, we used the esp32 chip in STAtion Mode, that is as a client which connects to an existing wifi network. In a previous article I explained in details how the different

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ESP32 (17) – SNTP

ESP32 (17) – SNTP

luca May 11, 2017 0

In embedded applications it’s often necessary a clock, as accurate as possible. For example, imagine a device that has to activate an output at a given time or a logger that has to store

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ESP32 (16) – IFTTT

ESP32 (16) – IFTTT

luca May 7, 2017 0

After having published my tutorial about sending SMS with the ESP32, I received some comments via the contact form of my website asking a way to send notifications for free. Today I’ll show you

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ESP32 (15) – mDNS

ESP32 (15) – mDNS

luca April 29, 2017 0

When you surf on the Internet, the DNS (Domain Name System) service has the job of “translating” (resolve) the hostnames to the corresponding IP addresses. If, for example, you type www.google.com in your favorite browser,

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ESP32 (14) – esp-idf v2 is here and how to manage different versions

ESP32 (14) – esp-idf v2 is here and how to manage different versions

luca April 15, 2017 1

On 6th of April, Espressif published version 2.0 of the esp-idf framework. The complete list of the new features and the bugs fixed is available on Github, let’s see the most important ones (in my opinion ;)):

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ESP32 (13) – Sending SMS

ESP32 (13) – Sending SMS

luca March 27, 2017 3

When designing and developing an embedded application, you often need to implement a way to notify the user if a specific event or condition is reached. Let’s imagine for example an house alarm system

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ESP32 (12) – I/O with interrupts

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,

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ESP32 (11) Led candle

ESP32 (11) Led candle

luca February 19, 2017 0

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

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ESP32 (10) – Random number generator

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

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ESP32 (9) – Basic I/O

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

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