Tilt ball switch are small and cheap electronic sensors able to detect inclination. While not being as accurate like accelerometers, they are small, inexpensive and easy to use. For this reason tilt ball switches are popular for toys and gadgets. Tilt ball switch are usually made of an internal cavity with a free conductive mass …
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4 Digit 7 Segment Display is a simple electronic display, similar to Single 7 segment display, but composed of 4 digits than can show at the same time 4 chars. It also has dot leds, but in different confiurations (single for each digit, central colon, etc). It is used within a wide number application, usually …
How to control a 4 digit 7 Segment Display from Raspberry PI with Python Read More »
My friends know that my passion, beside Raspberry PI, goes also to 3D printing. While I’m still looking for time to start preparing articles on this fascinating field, I’ve prepared a list of 3D printers available on common e-commerce markets. This list compares main features required for 3D printing: Printing Area (in millimeters): these 3 …
Pi-hole is a DNS server that protects your devices from unwanted content, without installing any client-side software. Clients requesting for web resources usually query public DNS servers to resolve mnemonic addresses (for example “peppe8o.com”) into IP addresses to be reached. But many internet pages include tons of internal elements redirecting to adverisement providers. It can …
Install Pi-hole in your Raspberry PI with Raspberry Pi OS Lite Read More »
A web crawler (also known as spider or spiderbot) is an internet bot that continually browses web pages, typically for web indexing purposes.Typically Search Engines use web crawling ito scan the web and be aware of contents, links and websites relations. These data are processed to understand what results better fit users queries. Crawlers consume …
Use Raspberry PI as your personal web crawler with Python and Scrapy Read More »
Home systems and small office servers failures can be annoying when you rely on their availability and realize that they aren’t working only when you need them. For similar reasons, big companies (which can get economic damages from outages) adopted complex monitoring systems able to check services status and activate support groups on failures. What …
Network monitoring with Raspberry PI and NEMS (Nagios) Read More »
Raspberry PI boards can perform very well to provide complete web server functions with very small budgets. They also have very low power consumption, so many people can start a web page with affordable costs. LAMP are servers composed by following elements (each one composing LAMP acronym): Linux – Operating System – to manage hardware …
The biggest question for Raspberry PI Foundation boards user comes when choosing the Operating System to use. There are many OSes available for all Rasperry PI models, each one fitting best specific needs. Usually, all operating system can be installed easily by getting their image file (.img or zipped) and flashing it on sd card …
In this tutorial I’m going to show how to install Arduino IDE in a Windows PC (in my case Windows 10, but should be the same also for previous Windows versions). After installed, We’ll connect IDE to Arduino with its USB cable and test our first Arduino sketch. A sketch is how Arduino programs are named. It’s a …
For people wanting to test different Linux distributions in our credit card sized computer, CentOS linux is a valid alternative enabling you to access a different repository from Debian one. Derived from the sources of Red Hat Enterprise Linux (RHEL), it uses yum as package manager. Like CentOS, also Fedora is owned by Red Hat. …