Hardware
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…
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…
Understanding ESP32: From basics to building projects
What the hell is that? First of all, let's explain what is an ESP32 at hardware level. ESP32 is a 32-bit RISC single or dual core SoC. It can run from 80 up to 240Mhz with 320 to 512KB of SRAM. But probably the most important feature of…
How to Connect to Raspberry Pi
Headless Raspberry Pi The following article will show you how to set up and access any Raspberry Pi without the need of a screen, mouse and keyboard (headless)The main pre-requisite is to set up the SSH protocol and the network interface…
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.…
Touchscreens. How do they work?
Basic operation of touchscreens A touch screen, in some places also called touch, is a screen that through a direct touch on its surface allows the entry of data and orders to the device, and at the same time shows the results previously…