Raspberry Pi

Raspberry Pi models

Raspberry Pi (1) Model A (256MB)
Pi Model A (256MB) specifications
PCB rev 2 (svg)

How to identify:
Connectors: 1xUSB, Composite-video (RCA), full size HDMI, 3.5mm audio out, full size SD card, Micro USB power, 26-pin GPIO-header

Raspberry Pi (1) Model B (256MB or 512MB)
Pi Model B (512MB) specifications
PCB rev 2 (svg)

How to identify:
Connectors: 2xUSB, Composite-video (RCA), full size HDMI, 3.5mm audio out, full size SD card, Micro USB power, 26-pin GPIO-header, ethernet
512MB versions are mostly those with mounting holes (rev 2 PCB)

References
Raspberry Projects
RPi Hardware
Pi History
Raspberry Pi (Wikipedia)

Raspberry Pi information

Official documentation
Raspberry Pi Documentation
Documentation / FAQs
How to determine CPU clock speed [forum topic]

Raspberry Pi clones

Orange Pi
Orange Pi
Banana Pi
Banana Pi
Banana Pi BPI-R1 (router)
Banana Pi BPI-R2 (router)
Banana Pi BPI-R64

SD-card images

armbian

BerryBoot v2.0 – bootloader / universal operating system installer

RetroPie

Tutorials

Sparkfun Raspberry Pi GPIO Tutorial

Raspberry Pi 4 – Getting Started

Setup a Raspberry Pi Web Server with Your Own .COM Using Google Domains

Other links

Disable swap on Raspbian Buster

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