PI4 could be your next desktop computer, smart home hub, media centre, networked AI core, factory controller: there is so much power in a such small device!
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Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.8GHz
Dual displays 4K output: with Raspberry Pi 4, you can run two monitors at once in 4K
Silent, energy-efficient
Gigabit Ethernet
RAM memory versions 1GB, 2GB, 4GB, or 8GB
Two USB2 ports, two USB3 ports
Full specs and more
https://www.raspberrypi.com/products/raspberry-pi-4-model-b/
GPIO pinout
PI 4 pinout schematics
Buy accessories for PI:
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Raspberry Pi 4 – pinout and specs