Which processor is used in raspberry pi?

Typically a Broadcom BCM27xx series SoC processor is used.

How many usb ports are present in raspberry pi 3?

Raspberry Pi uses four USB 2.0 ports

Raspberry Pi is a low-cost, compact computer you can use for coding and developing. I hope this helps you define raspberry pi better.

What can I use Pi for?

It has a bunch of purposes, including but not limited to coding, automation, and web development, robotics, and IoT projects.

What are the different types of Raspberry Pi?

There are different types, such as Raspberry Pi 4 Model B, Raspberry Pi 5, Raspberry Pi Zero / Zero 2 W, Raspberry Pi 400, and Compute Module series

Is there a difference between Pi 4 and Pi 5?

Pi 5 is faster and has a better GPU with a higher bandwidth as compared to Pi 4

What operating systems is Pi compatible with and can run?

It can run a bunch of OS, such as Raspberry Pi OS (official), Ubuntu, Kali Linux, RetroPie, Home Assistant OS, and Others via microSD

Raspberry pi meaning is incomplete without GPIO pins. They allow the Raspberry Pi to interact with electronic components like LEDs, sensors, and motors.

Where to buy raspberry pi?

You can check out the official Raspberry Pi website or online stores such as Amazon or Pi Hut, depending on your location and the model you want.

What power supply does Pi 4 need?

Pi 4 needs USB-C, 5V 3A power supply.

Raspberry Pi Price in 2025: A Comprehensive Buying Guide

May 30, 2025 IEM Robotics

The raspberry pi price range depends on the model that you get. You can build projects using the compact and credit-card-sized Raspberry Pi. Initially, the basic aim of the Raspberry Pi was to promote the basics of computer science in schools, however, its popularity has grown vastly in the past 8 years and has now become the entry point for robotics, engineering, and software development.

The types of models and their functions grew due to the high demand. The best part is that it has become popularized due to its price and open source. Users are free to connect with tech communities online and get into the field of computing. Moreover, it also introduced two very important technologies: ‘Python’ and ‘Linux’, that has revolutionized computing. There are close to 20 million Pis out there that are helping the young minds change the world.

Raspberry pi architecture

To understand the architecture, understand the raspberry pi platform. It was developed by the Raspberry Pi Foundation to develop computer science studies, however, this computer is not just for geeks and students, it is now being used by hobbyists, developers, and programmers. Additionally, it is beginner-friendly, and thus getting the hang of it is not that difficult. It is an ecosystem in itself.

The architecture is built on an ARM processor and has about 512 RAM. The following are the blocks that you will find anywhere, no matter the raspberry pi price

1. Processor: The Raspberry Pi uses the Broadcom BCM2835 system on chip, which consists of an ARM CPU and a video core graphics processing unit (GPU). This central component manages all necessary calculations and regulates the functioning of all connected devices.

2. HDMI: HDMI or High Definition Multimedia Interface is essentially used to send any digital data or video to the computer or monitor. This cable is used to connect the Pi to other devices.

3. GPIO ports: General Purpose Input/Output helps receive or transmit digital data.

4. Audio output: This will enable you to connect your headphones to the system

5. USB port: You can connect peripherals such as a mouse, keyboard, and monitor using the USB port. This port will also help you expand the system

6. SD card: If you want to boot the system, you will need the SD card

7. Ethernet: This is only available in model B of the Raspberry Pi. It aids in getting access to the wired network

8. Power supply: A micro USB power connector can be used to connect a 5V power source.

9. Camera module: The Broadcom processor is connected to the Pi camera through the CSI

10. Display: 15 15-pin ribbon cables connect the LCD to the Raspberry Pi using the Display Serial Interface (DSI). Additionally, DSI offers a high-resolution display interface designed especially for transmitting video data.

All of this is better explained through the raspberry pi diagram. It explains the functions of the components in an easier and more comprehensible way.

The block diagram of raspberry pi

Find below the raspberry pi architecture diagram:

Image source: https://www.geeksforgeeks.org/architecture-of-raspberry-pi/

Raspberry pi uses

All the raspberry pi components work together to make the Pi work and perform a ton of functions. Some of which are listed below.

1. Computing: Pi lets you do general computing. You can use it as a regular desktop: browse the web, manage files, or stream videos

2. Programming: You can use programming languages such as Python, Java, C++, Scratch, and also JavaScript to have raspberry pi explained better.

3. Robotics and electronics: The GPIO pins can be used to control sensors, build robots, automate systems, and likewise automate your home.

4. Media center: You can use software like Kodi or Plex Media Server to stream high-quality 4K video

5. Hosting and web server: You can learn web development, host lightweight websites, and even run databases on raspberry pi models.

6. IoT projects: It is the ideal base for IoT projects related to automation, monitoring, and last but not least, security systems.

This was all a raspberry pi introduction, which is important to understand before we get into the specifics of it.

Raspberry pi features

The description of raspberry pi would be incomplete without discussing its features and what it offers.

1. Portability and compact design

2. Affordable raspberry pi price

3. Availability of multiple models

4. ARM-based processor

5. Different RAM options

6. Networking and USB ports

7. GPIO pins

8. HDMI output

9. Camera and audio support

10. Open source: able to connect with the community

11. Power supply

12. MicroSD card

13. Expandability

14. Low power consumption

Raspberry pi types

To answer the question, ‘what is raspberry pi’ let’s look at the types

1. Raspberry Pi 1: This is the first generation model; thus, naturally, the performance is limited

2. Raspberry Pi 2: This has 1GB of RAM and a quad-core CPU

3. Raspberry Pi 3 Model B/B+: This has WIFI that is built in and a 64-bit support

4. raspberry pi 4 model b: This model has up to 8GB RAM, dual micro-HDMI, and 3.0 USB

5. Raspberry Pi 5: This is the latest and most powerful Pi, therefore has a faster CPU and GPU

6. Raspberry Pi Zero: These are cheap raspberry pi models that are also compatible

7. Raspberry Pi 400: This model is great for educational purposes along with being beginner friendly

8. Raspberry Pi compute models: These are for industrial purposes

9. Raspberry Pi Pico: This has a microcontroller and is mainly used for controlling circuits

The raspberry pi price differs depending on the type of model you wish to purchase.

Which Pi to buy: raspberry pi cost

Before you make the purchase, know the raspberry pi price to see if it is under your budget.

1. Raspberry Pi 3 Model B+: $35-$45 with 1 GB RAM

2. Raspberry Pi 2 Model B: $30 - $35 with 1 GB RAM

3. Raspberry Pi 5: $60 - $95 with 4 / 8 GB RAM

4. raspberry pi 4b: $35 - $90 with 2 / 4 / 8 GB RAM

5. Raspberry Pi Zero: $5 without any Bluetooth or WIFI

6. Raspberry Pi Zero W: $10 with WIFI and Bluetooth

7. Raspberry Pi Zero 2 W: $5 with quad core, Bluetooth, and WIFI

8. Raspberry Pi 400: $70 with 4GB RAM and a keyboard that is built in

9. Compute Module 4 (CM4): $25- $90; however, the price will vary depending on the model.

Even though you have all this information and cannot decide your raspberry pi buy, then just know that the cheapest model is the Raspberry Pi Zero, as it costs only $5. However, if you want your Pi to perform more complex functions or are an advanced user, then Raspberry Pi 5 would be the best since it has 8 GB of RAM and is the most powerful model till now. It costs $95; however is ideal for web development, programming, IoT projects, and more. The most comprehensive kit with all the necessary components included costs $130, but it is an investment towards your future and learning, and as they say, no learning goes to waste.

If you are looking for places to buy a Raspberry Pi, then look no further. You can consider the following places:

1. Raspberry Pi official website

2. Pi Hut

3. Adafruit

4. Micro Center

You can also consider buying a kit as the manuals in it offer a more concrete and better raspberry pi definition

Additional costs to the raspberry pi price you should consider:

Buying a Raspberry Pi is one thing. However, you will also have to consider additional accessories needed to get it working. These are the peripherals that will ensure a smooth running of your system. Since raspberry pi is an example of a single-board computer that needs its parts to run.

1. Power supply: It ranges from $8 - $15 and is necessary to provide current

2. MicroSD card: It ranges from $10 - $25 and acts as the primary storage device

3. Official case: It ranges from $5 - $15 and protects your Pi.

4. Cooling (fan/heatsink): This costs $5 - $10 and prevents your system from crashing due to heating up.

5. Display/HDMI cable: It ranges from $10 - $30 and handles the conversion and transmission of digital data

6. Keyboard and mouse: They cost between $20 and $40; however, some kits already include this. They help you interact with the Pi.

Conclusion

In summary, the Raspberry Pi is one of the most accessible computer systems available worldwide because it strikes a remarkable balance between cost along with functionality. There is a Raspberry Pi model to fit almost any budget and use case, with models ranging from as low as $5 for the Raspberry Pi Zero to over $95 for the powerful Raspberry Pi 5.

The affordability of raspberry pi price guarantees widespread usage without sacrificing functionality, whether you're a developer developing an Internet of Things device, a hobbyist creating a smart home system, or a student learning to code. Its worth is further increased because it is open-source and has a large community. Accessories like power supplies, SD cards, and cases should be considered when calculating the overall cost because they may raise the outlay. However, the Raspberry Pi continues to be a very affordable and adaptable computer and electronics solution.