RPI Computers

RPI Scrapy crawler featured_2

Use Raspberry PI as your personal web crawler with Python and Scrapy 5 (1)

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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 […]

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Raspberry PI HC-SR04 picture

How To Control a Ultrasonic Distance Sensor with Raspberry PI 4.5 (4)

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Ultrasonic Sensors are great for all kind of projects that need distance measurements, avoiding obstacles as example. The HC-SR04 is inexpensive and easy to use and can be easily connected with a Raspberry PI Ultrasonic sensor module HC-SR04 provides 2cm-400cm non-contact measurement function, the ranging accuracy can reach to 3mm. The basic principle of work:

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RPI 4 digit 7 segment featured image

How to control a 4 digit 7 Segment Display from Raspberry PI with Python 3.3 (9)

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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). 4 digit 7 segment display is widely known and

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raspberry pi funny terminal featured image

Funny Raspberry PI OS Terminal Commands Not Everyone Knows 4 (14)

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Raspbian Lite users work every day with terminal commands without graphical environment. But Linux world is plenty of funny tweaks that can make terminal really funny also for newer users. First action is, as always, installing Raspberry PI OS Lite or installing Raspberry PI OS Desktop in your Raspberry PI. Some funny examples are listed

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RPI Imager home

Raspberry PI Imager: new SD flashing tool from RPI Foundation 3.3 (3)

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Every Raspberry PI project starts always from OS installation with SD card flashing. There are several ways to flash SD image for Raspberry PIs, most common being Balena Etcher and Win32DiskImager. Recently Raspberry PI Foundation released its first Raspberry PI imager to prepare SD cards. Trying it is a must for Raspberry PI lovers. Install

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Guacamole RPI remote desktop gateway featured image

Creating a Remote Desktop Web Gateway on Raspberry Pi with Apache Guacamole 4.7 (3)

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Smart Working needs are stressing the needs to have an external access to your Personal Computer from a remote station. This remote station can be whatever device, with whatever OS (and different versions). The very first need for people is remoting their Desktop to have access their docs and apps. A flexible solution comes with

Creating a Remote Desktop Web Gateway on Raspberry Pi with Apache Guacamole 4.7 (3) Read More »

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