Minicomputer - RaspberryPi

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 About

The Raspberry Pi is a low cost, credit-card sized computer that plugs into a computer monitor or TV, and uses a standard keyboard and mouse. It is a capable little device that enables people of all ages to explore computing, and to learn how to program in languages like Scratch and Python. It’s capable of doing everything you’d expect a desktop computer to do, from browsing the internet and playing high-definition video, to making spreadsheets, word-processing, and playing games.
 


 
Source: https://en.wikipedia.org/wiki/Raspberry_Pi       

 RPi Minicomputers uses ARM processors.

Specification

Currently, the fourth version of the device is on sale.

Source: https://www.raspberrypi.com/products/raspberry-pi-4-model-b/specifications/

This link shows all specifications about this model (RaspberryPi 4) 
 
 And you can find some variations and older version here: https://www.raspberrypi.com/products/
 
 
Official documentation page

Software

It is a lot of linux operating systems to install on RPi. Very simple way to install is download provided tool "Raspberry Pi Imager". By this tool you can choose OS, download and straight away install on SDCard.
 
Raspberry Pi Imager window

 URL: https://www.raspberrypi.com/software/
 

Example project (for RPi B2) - FTP Server accessible from World

- Download Raspberry Pi Imager to your PC
- Prepare SDCard and plug in to PC
- Choose target OS and Choose SDCard (Storage) as target to install OS.
- Before start Write click on Settings button, set login, password and activate SSH
- Click Write 
- After successful write, put SDCard to Raspberry Pi
- Connect Ethernet RJ-45  and power connector to RPi
- On PC find some client to connect with RPi through SSH (PowerShell, PuTTy, ...)
- Connect to RPi through SSH (write something like: ssh pi@192.168.1.2 | pi is login and IP is ip of raspberry in local network
- Now follow steps from page:
or
- If you need open your FTP to world it is neccessary to make Port trigger configuration on your router/modem which provides internet network. More about port forwarding, triggering and dynamic DNS -> https://pimylifeup.com/raspberry-pi-port-forwarding/
 

Other Example projects created on RPi 

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