DIY projects
DIY smart home project. Build your smart relay with ESP32 and Arduino Cloud
In this post we are going to learn how to make a Smart relay using ESP32 and a relay board module. This is useful to control your apliances or lightning. Also in some websites like alixpress there are avaliable for purchase some boards…
Smart Audio Streamer with Raspberry Pi & Volumio
This project allows us to add "Smart" functions to an amplifier or amplified speakers that do not have these options. Normally the streamers are expensive or do not include as many options as we would like. Or are we simply seeking for a…
Build a Raspberry Pi enterprise monitoring server with Nagios
What are we going to do? We are going to turn our Raspberry Pi into a network monitoring center, to have control over our network services. To do this we are going to use the Nagios program, which is a software that provides great…
Build your Raspberry Pi cluster and unlock distributed computing
Our colleagues at Raspberry bring us a great tutorial about setting up your own SBC ARM cluster: We are going to remember the steps used to unify a cluster of Raspberry cards from the original post, but it has helped us to develop our own…
Unlocking the 7722AZ CO2 Sensor. A data extraction guide
Because of the needs of one of our projects, we have to extract data from a CO2 sensor. We got this one, 7722 from AZ Instrument : This device is a simple CO2 sensor. It gives you a measure result each second. It measures too the…
Flashing Raspberry pi Cm3
What is a Raspberry Pi? The Raspberry Pi is a series of small single-board computers developed in the United Kingdom by the Raspberry Pi Foundation to promote teaching of basic computer science in schools and in developing countries.…
Step-by-step Mosquitto MQTT broker installation & SSL configuration
Once we know what is MQTT and how it works, as explained in this post, it's time to get down to work and install and set up all the software needed to let it work. Mosquitto MQTT broker installation 1. Installation within Windows OS This…