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ESP32 (5) – Wifi scanner

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

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ESP32 (4) – Flash, bootloader and FreeRTOS

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

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ESP32 (3) – Eclipse

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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ESP32 (2) – The development environment

ESP32 (2) – The development environment

luca December 12, 2016 9

After having introduced, in the previous post, the ESP32 chip and the official development board by Espressif, today I’m going to show you how to install and use the official development environment. The official

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ESP32 (1) – Introduction

ESP32 (1) – Introduction

luca December 3, 2016 0

You probably already know the esp8266wifi chip, made by Espressif. It appeared on some Chinese webstores in the middle of 2014 and in the beginning it was used as a “bridge” to connect microcontrollers (Arduino…) to

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MQTT – enc28j60 and Adafruit IO

MQTT – enc28j60 and Adafruit IO

luca November 19, 2016 4

Adafruit IO is the new cloud platform (at the moment still in beta) by Adafruit, designed to allow simple data connections using standard APIs and web-based dashboards. This new platform exposes MQTT APIs, you can

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MQTT – Security

MQTT – Security

luca November 14, 2016 2

In the IoT they often don’t give much importance to the security aspects of the communcation. Proof of this is that many of the latest DDOS (Distributed Denial of Service) attacks have been launched by

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MQTT – Topics

MQTT – Topics

luca November 8, 2016 1

In the first part of this tutorial, I introduced the concept of topics. Every message sent to an MQTT broker must be published to a topic and clients connected to the broker decide which

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MQTT – enc28j60 and Arduino (22)

MQTT – enc28j60 and Arduino (22)

luca November 2, 2016 7

Being a comics fan, I couldn’t resist publishing a crossover between my “famous” tutorial about using the enc28j60 driver with Arduino and the fresh new tutorial about the MQTT protocol. So, after having introduced the

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MQTT – Introduction

MQTT – Introduction

luca October 24, 2016 1

If two devices have to talk to each other, they must adopt the same protocol. In the past, I’ve already shown different types of communication, for example between Arduino and a C# program, Arduino and a website or Arduino

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