What parts does a raspberry PI need?

1. A Raspberry Pi board. This is the main board that contains the CPU, memory, and other essential components. There are multiple versions of the Raspberry Pi, each with different specifications and capabilities. Some of the most popular models include the Raspberry Pi 4 Model B, Raspberry Pi 3 Model B+, and Raspberry Pi Zero W.

2. A microSD card. This is used to store the operating system and data. The size of the microSD card will depend on your needs, but most users will want a card with at least 8GB of storage.

3. A power supply. Raspberry Pis are powered by a micro USB cable, and most models come with a power supply. However, if you are using a Raspberry Pi 3 Model B+ or Raspberry Pi Zero W, you will need to purchase a power supply separately.

4. A case. This is not essential for the Raspberry Pi to operate, but it does provide protection and can make the Pi more aesthetically pleasing. There are a variety of different cases available, so you can choose one that suits your needs and budget.

5. A monitor or TV. You can connect a Raspberry Pi to any HDMI-compatible monitor or TV. If you are using a monitor, you will also need an HDMI cable.

6. A keyboard and mouse. You can use any USB keyboard and mouse with a Raspberry Pi. If you are using a Raspberry Pi Zero W, you will also need a USB OTG adapter.

7. An operating system. The most common operating systems for Raspberry Pis are Raspbian and Ubuntu MATE. You can download the operating system of your choice from the Raspberry Pi website.