Most people have at least heard of the Raspberry Pi, even if they haven’t delved into the nitty-gritty details about it. But what is Raspberry Pi used for? This compact minicomputer opens up a world of possibilities at an insanely low cost. In this article, we’ll explore 15 exciting Raspberry Pi use cases, helping you discover what you can do with Raspberry Pi to make life easier and more entertaining.
What Is Raspberry Pi and What Is It Used For?
Back when the very first computers emerged, they were massive machines utilizing vacuum tube technology, occupying entire rooms. Over time, these colossal systems transformed into smaller, more affordable versions. Today, most people carry minicomputers in their pockets—we call them smartphones.
Despite the widespread availability of computers in many parts of the world, access to affordable computing and programming technology remains limited in some developing areas. This lack of accessibility led to the creation of the Raspberry Pi.
The Raspberry Pi is a tiny, inexpensive, single-board computer developed by the Raspberry Pi Foundation in the United Kingdom. But what is Raspberry Pi used for? This compact piece of tech was designed to promote the teaching of basic computer science in schools and developing countries. With its small size and low cost, it puts the power of computing into the hands of people with different backgrounds and levels of expertise, enabling them to learn more about computers and programming.
Large-scale mass production using common, inexpensive components is the key to success for the Pi project. The Raspberry Pi can do many things in tandem with devices like monitors, mice, and keyboards. Its versatility allows for a multitude of applications, making it a favorite among hobbyists, educators, and professionals.
From creating a personal web server to building intricate robotics, the Raspberry Pi use cases are virtually limitless. You might be wondering what to do with Raspberry Pi once you have one. The answer is: almost anything you can imagine! Its open-ended design and robust community support mean you can use it for projects like home automation, gaming, educational tools, and much more.
How Does the Raspberry Pi Work?
The Raspberry Pi functions much like any other computer motherboard but without internal storage or peripherals. Setting up the Raspberry Pi requires using a microSD card or other storage method inserted into it. This SD card is where the chosen operating system is installed, and it must be present to boot the computer.
Generally, the Raspberry Pi uses a Linux-based operating system, such as Raspbian (now called Raspberry Pi OS). This choice reduces the memory requirements and creates a diverse and customizable environment for different users.
Once the operating system is set up, the Raspberry Pi can connect to output devices like televisions or computer monitors via HDMI or other interfaces. Users can also connect input devices like keyboards and mice through USB ports or Bluetooth. The applications and Raspberry Pi usage depend entirely on what you want to achieve, as its functions cover a wide range of possibilities.
Whether you’re interested in building a home media center, experimenting with Internet of Things (IoT) projects, or teaching programming to beginners, the Raspberry Pi provides a flexible platform to bring your ideas to life. Its ability to interface with various hardware components and run different software makes it an excellent tool for both learning and practical applications.
Choosing Between Raspberry Pi and Arduino
Before diving into the various Raspberry Pi use cases, it’s worth considering how it stacks up against other popular microcontrollers like the Arduino. Both devices are excellent for DIY projects, but they serve different purposes and have unique strengths. If you’re unsure which one is right for your project, check out our detailed comparison in Raspberry Pi vs Arduino: Which One Should You Choose?.
Common Raspberry Pi Models
Several models and generations can complicate things if you’re looking into choosing a Raspberry Pi. We can’t share every model here, but we want to cover some of the most interesting Pis you’ll find.
RASPBERRY PI ZERO
The Zero is the most inexpensive Raspberry Pi you will find. It comes in at under $10, which is impressive given its features and functions. It has a compact size compared to the Raspberry Pi 1. It has the same amount of RAM and the same processor as the Pi 1 Model B+. However, it doesn’t include Bluetooth or Wi-Fi. The Zero W does add in those types of connectivity.
RASPBERRY PI 1
The Raspberry Pi 1 was released in 2012, and the Model B+ followed in July 2014. It included several improvements over the original, such as 40 GPIO pins (an increase from the original 26), four USB 2.0 ports, and 100Base Ethernet connectivity. It also reduced power consumption and improved audio with a dedicated low-noise power supply. These changes made it more robust while maintaining a price point of around $35.
RASPBERRY PI 2B
Released in February 2015, the Raspberry Pi 2 Model B offered a significant performance upgrade over the original, boasting a 900MHz quad-core ARM Cortex-A7 processor and 1GB of RAM. It was approximately six times more powerful than its predecessor, and could handle more demanding applications like running multiple programs simultaneously. This model also included four USB ports and Ethernet for networking.
RASPBERRY PI 3
Launched in 2016, the Raspberry Pi 3 Model B featured a quad-core ARM Cortex-A53 processor running at 1.2GHz, making it ten times faster than the original Pi 1. It also introduced built-in Wi-Fi and Bluetooth 4.1, expanding its potential for wireless applications. This model remained energy-efficient, consuming little power while running at a low heat.
RASPBERRY PI 4B
Released in 2019, the Raspberry Pi 4B marked another leap in performance with a quad-core ARM Cortex-A72 processor and memory options ranging from 2GB to 8GB of RAM. It also introduced USB 3.0 ports for faster data transfer, in addition to USB 2.0 ports, and featured dual micro-HDMI ports, supporting two 4K monitors. This made the Pi 4B versatile enough for more advanced projects, though at a slightly higher price.
RASPBERRY PI 400
The Raspberry Pi 400, launched in 2020, is built into a compact keyboard, offering a complete computing solution with 4GB of RAM. It features USB 3.0 and 2.0 ports, and can be connected to a mouse and monitor to function as a full computer. This model was designed with educational environments in mind, making it ideal for classrooms.
RASPBERRY PI ZERO W
The Raspberry Pi Zero W was released on February 28, 2017, coinciding with the 5th anniversary of the original Raspberry Pi launch. It is priced at $10 and comes with Wi-Fi and Bluetooth 4.1 connectivity, making it perfect for small IoT projects or basic robotics. It includes a 1GHz single-core ARM11 processor, 512MB of RAM, and measures just 65mm x 30mm x 5mm, making it an ultra-compact option. It consumes very little power—around 0.1A when idle—which makes it ideal for low-power projects.
Newer Model: RASPBERRY PI ZERO 2 W
If you’re looking for more power in a similar form factor, the Raspberry Pi Zero 2 W, released in 2021, offers a quad-core processor while retaining the same size. This model boosts performance significantly and is priced at $15.
The 15 Top Ways to Utilize Raspberry Pi
The Raspberry Pi has been hugely popular since the day it was released. It’s impressive how many people have created innovative projects using the Pi as the brains of the operation. While the Pi was first released as an educational device, it’s now a go-to solution for tech lovers who want to try new things. As such, you can see 15 ways to use the Pi below:
1. Web Server
The first way the Raspberry Pi can be used is as a web server. The Pi doesn’t need much power, so there’s generally no issue with leaving it on for long periods. It isn’t going to elevate your electricity bill or require the use of a cooling fan. On top of that, the Pi is quick enough to pull up webpages on both your local network and over the Internet.
The Raspberry Pi 3B is powerful enough to be a great web server. It can hold multiple web pages for laptops to use continuously. In addition, if the server is located on a dedicated network, there will be no concern about Internet slowdowns or outages that could otherwise cause problems.
2. Child’s Computer
Every kid wants a computer, even if it’s just to mimic their parents. The Raspberry Pi can offer an excellent option when you’re ready to let your child start puttering around on a computer. The Kano Computer Kit provides everything needed for a child of six or older to create a PC powered by Raspberry Pi. The Pi comes with or without an included screen.
It only takes around an hour to put the computer together. Once that’s done, there’s even more fun to be had. There are several coding tutorials made to create a fun and exciting learning experience. Kids even get the chance to learn commands in Linux in an included game called Terminal Quest.
3. Wi-Fi Extender
It can be frustrating to move somewhere new in your home just for the Wi-Fi to disappear. There are all sorts of workarounds to ensure you can stay connected in every nook and cranny of a home, one of which uses the Raspberry Pi. If you have trouble getting a good signal in some areas, consider making an extender from a Raspberry Pi.
The best option is to choose from Pi, which includes wireless capability. The built-in Wi-Fi will help you with the process. After that, you’ll need to add a USB Wi-Fi adapter to make the signal repeat and hit those dead corners that you find troublesome.
4. Robotic Car
Okay, we aren’t talking about a full-fledged car, truck, or SUV that sits in your driveway. However, you can find a variety of kids that let you make a small robot automobile using Raspberry Pi as the brains of the unit. Some kits include all the parts, so you need to put them in the Pi.
Try a kit for a four-wheel vehicle with a motor, light, and distance sensors. You can even pick these kits up for a low price. For example, the GoPiGo3 has only three wheels, a distance sensor, and a reasonable price tag.
5. Storage Drive Attached to a Network
Do you often have to share files with others at home or in the office? We know this can break your concentration and cause frustration at times. However, adding a USB hard drive to a Raspberry Pi can make the process much easier. Use this set of instructions to get started!
If you want the best performance for your new filesharing system, attach the drive to a router using Ethernet.
6. Music Streamer for Multiple Rooms
Wouldn’t it be nice to have audio that you can enjoy in multiple home rooms? The perks of multiroom audio entice most people, but wireless speakers can come at a hefty cost. The good news is that there’s another way to go about it, which will not break the bank.
With multiple Raspberry Pis and software, you can build a great sound system that creates the music you like in whatever room you want to hear.
7. Automated Plant Waterer
Whether you have a green thumb or you’re just getting into gardening for the first time, the main focus is making sure the plants stay alive. In what might be a surprising use case, the Raspberry Pi can help you with that. First, however, remember that you’ll need a few other items to make things work.
With the help of software, a pump, and a soil moisture sensor, your Pi can determine when plants need water and then provide it to them.
8. Robotic Arm
Have you always wanted the future to include robots? You can make a robotic arm with Raspberry Pi, which isn’t just a fantastic decoration in your room. Depending on the parts you use with the Pi, the arm could move, pick up, and manipulate items.
Of course, you’ll need to look at the options in robotic arm kits, but there are several options from which to choose. The MeArm Pi is a common choice since it includes two joysticks and the motors needed to get things running.
9. Weather Station
With the help of a Raspberry Pi and some sensors, you can start monitoring the humidity and temperature in your home. Or do the same with the outdoors, depending on your needs. The sensors and Pi will give you valuable data.
If you want to maximize the use of the weather station, use programming to let you know when you should open a window or turn up the heat. There are lots of options available once you get started.
10. Minecraft Machine
The Raspberry Pi has some pretty modest specs, which might make it seem as if it’s incapable of running games. However, that isn’t the case. If you’re a Minecraft fan, the Pi can be used to play it. You can also turn a Raspberry Pi into a server for the game. Then, install the typical Raspbian operating system and launch the game whenever you like.
Have kids that love Minecraft who are taking over the family computer? Now you can give them a Raspberry Pi with which to play. Go with a Raspberry Pi 3 or higher for the best results. You’ll also need a mouse, keyboard, and monitor.
11. Security Camera
Are you looking to add a new security camera to your home? Home security is yet another place where a Raspberry Pi can help you. The best part is that the solution is inexpensive while giving you total wireless security.
So what do you need to build your security cam? One Raspberry Pi Zero W and your choice of a Raspberry Pi camera (there are two varieties to choose from). The non-IR tends to be best in areas with little light. Then create a live stream that you can see anywhere.
12. Alexa Speaker
Sure, everyone has an Echo Dot or something similar to it. But you may want something more handmade and specific to your needs. That’s doable when you create an Alexa speaker powered by the Raspberry PI.
This is a relatively simple process. All you need is a Pi with a Wi-Fi connection and instructions. Then, installing a microphone and speakers will give you the audio of your dreams.
13. Game Emulator
Can you remember the first video game console you had at home? Maybe you remember playing arcade games with all your hard-earned quarters. If you’re looking for a dose of nostalgia that reminds you of those halcyon days long past, the Raspberry Pi is here to make that happen. Unlike some projects which require a specific version of the Pi, that isn’t the case here. Zero can even be used to add RetroPie OS so you can enjoy playing those amazing old arcade, Atari, SNES, and Game Boy games.
Those who prefer to leave the building to others can also move in that direction. Many kits have cases and controllers that give you everything you need to get your game on. Check out the different varieties and enjoy a trip back to childhood innocence.
14. Home Theater PC
There are many options for streaming television and films on your home theater screen. However, there’s no need to pick up a Fire Stick, Apple TV, or a Roku box when you can connect a Raspberry Pi to the television itself. The Pi 3B is a good choice for this product. In addition, you can choose from several free operating systems that will morph your Pi into a set-top box that streams all your favorites.
If you want to create a Kodi Box with a Raspberry Pi 3D, the OSMC operating system is a good choice. There are also methods to install Plex or other media streaming programs.
15. Laptop
It might sound crazy, but the Raspberry Pi can be used as a laptop. There is a specific product built around this functionality. The pi-top is a 14-inch notebook with a 1080p screen and up to eight hours of battery life.
The pi-top can be used with either a Raspberry Pi 3B or Raspberry Pi 3B+ to handle your computer processing needs. In addition, the pi-top includes the pi-topOS. This is a Linux OS that offers a variety of educational software that kids can use to learn more about programming and coding.
Final Thoughts
The Raspberry Pi has been around for a decade as of 2022. Since the day it hit the market, 46 million of them have been sold, based on information from Eben Upton, the CEO of Raspberry Pi Limited. The device remains popular among people of all kinds, and new versions come out regularly.
As you can see from the projects above, the Raspberry Pi is endlessly versatile, with limits only put in place by your creativity. It is an excellent tool for hobbyists, but professionals can use the device in various ways, such as testing networks and new software. Based on data from 2020, industrial and business users make up about 44% of Raspberry Pi’s annual sales.
