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A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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DO NOT use this tag, use the more specific Raspbian-Stretch or Raspbian-Jessie.
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For questions that apply specifically to the Raspberry Pi Model 3 and not other/all models.
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GPIO stands for General Purpose Input Output and can be used to receive and send digital signals to and from simple electronics from the Raspberry Pi.
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a general-purpose, dynamically typed, object-oriented high-level programming language. Interpreters for versions 3.x and 2.x come installed on the Raspberry Pi's most popular operating syste…
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Questions about home networks, internet, repository issues or anything else regarding networks.
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This refers to the quad-core Raspberry Pi 2 (currently only available as a "B" model with Ethernet and four USB ports), with 1 gigabyte of RAM.
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Questions on the use of Wi-Fi (local area wireless computer networking technology). This tag is also used for generic "wlan" questions since they are commonly synonymous. Note shopping questions are …
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Questions relating to the Raspberry Pi USB ports and specific Raspberry Pi USB devices and device interaction.
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These questions refer to the initial starting up of the Raspberry PI.
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a network protocol to provide encrypted communication using a client-server architecture. Question include the configuration of the sshd server on the Pi.
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Questions relating to the physical components that the Raspberry Pi consists of.
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The Raspberry Pi has an analogue stereo audio jack output (Pi 1 A/B/B+, Pi 2, not Pi Zero), and audio can also be heard through the digital HDMI output (all models).
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for any questions related to how to use a camera or webcam with the Raspberry Pi.
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SD (Secure Digital) cards and their associated SC/HC/XC technologies are the primary storage medium for the Raspberry Pi. The Pi Models A and B use SD Cards, and new models use Micro SD. SD cards are…
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the ability to supply a device with energy. This question covers how to power the Pi, ways to do it, and the safe ranges of power.
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a high-profile computer operating system. The Raspberry Pi can run one of a number of Linux distributions, the most pupular being Raspbian (Debian-based) and Arch Linux.
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HDMI stands for High Definition Multimedia Interface. Along with the Composite RCA, HDMI is one of the devices' two video outputs. It provides high quality digital video.
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a GNU/Linux operating system derived from Debian 8. Initially released in September 2015, superseded by Raspbian-Stretch in August 2017.
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For questions pertaining to Bluetooth setup, usage and troubleshooting on the Raspberry Pi, whether onboard or via a USB dongle.
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The methods for powering the Raspberry Pi (typically via its micro-USB connection.)
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rpi.gpio refers to the package name of a Python module for accessing the Raspberry Pi's GPIO pins. The module allows GPIO pins to be initialised, turned on, and turned off. It uses a functional progra…
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Display relates to the use and output of display systems for the Rasberry Pi. The built-in video connectors are HDMI, RCA composite (yellow plug), and a 4-pole 3.5 mm jack.
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is the process of sending data one bit at a time, sequentially, over a communication channel or computer bus. Traditionally "serial" relates to a three (or more with hardware handshaking) wire system…
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a term used to describe anything that can, due to new technologies, function, fully or partially, without wires. Generally this is wireless network (WiFi), or wireless connection with USB …
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For questions dealing with devices that measure the physical world around us and translate it into signals for the Raspberry Pi.
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I²C stands for Inter-Integrated circuit, and is a data transferation system that allows connections between computers or microcontrollers and low-level peripherals (e.g. sensors or EEPROMS). It is a i…
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a family of wired computer networking technologies for local area networks (LANs).
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The CSI interface camera from the Raspberry Pi Foundation available in a natural colour and a NoIR version without infrared filter, latter is suited for night vision and other special applications.
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a GNU/Linux operating system derived from Debian 9. Initially released in August 2017. Raspbian is the most widely used Pi based distro and the one recommended by the Raspberry Pi …
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Questions related to playing or editing video on the Raspberry Pi, both in SD and HD.
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This refers to the single-core Raspberry Pi Zero, with 512 MB of RAM and smaller form factor than models A+/B+/2B.
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Errors occurring in boot; includes software/hardware issues.
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Questions regarding issues installing specific applications or operating systems on the Raspberry Pi.
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the central component of the operating system and manages hardware, process scheduling, file systems, virtual memory paging, inter-process and network communication, etc.
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for questions about touchscreen compatibility, and how to use compatible touchscreens with the Raspberry Pi.
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a light source often used as an indicator.