The Pi 3 is a proper computer that also happens to have GPIO pins, a huge development scene, thousands of examples for any hardware hack you can imagine, and a community with millions of members.

When the Raspberry Pi 3 Model B+ was announced in March of 2018, one of its new features was the ability to be (more easily) powered via Power-over-Ethernet (PoE), with an official PoE HAT for the … ...

My, how deceiving looks can be. At first blush, the Raspberry Pi 3 Model B appears physically identical to the year-old Raspberry Pi 2 Model B: the same port selection, the same GPIO pin layout ...

But it's the nonstandard stuff that makes the Pi so exciting. A 40-pin GPIO header gives you connections for attaching all sorts of sensors ... The Raspberry Pi 3 B+ is outfitted with a 1.4-GHz ...

It features a Raspberry Pi 4 with a quad-core 64-bit processor, 4GB of RAM, wireless connectivity, USB ports, and access to the GPIO pins in case you want to add modules or components down the line.