IoT Security Concepts
Explanation about 3 basic concepts related to information security – privacy, integrity and authentication
Designing a LED matrix
How to create a simple LED Matrix using PNP transistors and a ULN2803A integrated circuit.
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.
ESP8266: Connection to DS3231 RTC
How to connect the ESP8266 to a DS3231 Real Time Clock.
ESP8266: Controlling a buzzer
How to control a passive buzzer module using an ESP8266 and the Arduino core.
Real Time Clock: DS3231
The DS3231 is a real time clock from Maxim that allows us to measure time with a very good accuracy.
Arduino IDE installation awt.dll error
How to solve the error opening the awt.dll file, during the installation of the Arduino IDE.
ESP8266: Read DHT11 measurements
How to connect the DHT11 sensor to an ESP8266 and obtain measurements.
Buying cheap electronics at Ebay: Part 1
Introduction The objective of this series of posts is to list some electronic components and devices useful for makers and hobbyists that can be bought by very low prices at eBay. Many times, we can find those devices at a much lower price than in many specialized stores, making them affordable to more people. In this particular …
IoT: Temperature logger
Architecture of a simple IoT temperature logger using the ESP8266 and a web server deployed on the cloud.