How to perform HTTP GET requests from the ESP8266 using the Arduino core
ESP8266: Connecting to a WiFi Network
How to connect the ESP8266 to a WiFi network, using the Arduino core.
IoT Security Concepts
Explanation about 3 basic concepts related to information security - privacy, integrity and authentication
IoT: Security Concepts Part 1
The objective of this post is to explain 3 basic concepts related to information security - privacy, integrity and authentication, and give some examples about them in the context of IoT. Privacy Privacy consists on guaranteeing that the contents of a message are only seen by its intended recipients [1]. This means that if an …
ESP8266: Reading temperature with the DS3231 RTC
The objective of this post is to explain how get the internal temperature measurements of the DS3231 using an ESP8266 and an easy to use Arduino library. Introduction As stated in a previous post, the DS3231 uses temperature compensation to calibrate the adjustable capacitors of its resonance circuit, in order to maintain time and date with …
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ESP8266: Read DHT11 measurements
How to connect the DHT11 sensor to an ESP8266 and obtain measurements.
IoT: Temperature logger
Architecture of a simple IoT temperature logger using the ESP8266 and a web server deployed on the cloud.
ESP8266: uploading code from Arduino IDE
How to upload code to ESP8266 using the Arduino IDE and a Serial-USB converter.
ESP8266: uploading code from Arduino IDE
This post explains how to upload code to ESP8266 using the Arduino IDE and a Serial-USB converter. We assume the use of an ESP-01 board, one of the cheapest and most used boards based on the device. Hardware configuration This tutorial assumes the use of the ESP-01 board, shown in figure 1, as the hardware. …
ESP8266: An introduction
This post briefly explains what is the ESP8266, a very cheap SoC currently used in many IoT applications.