TL;DR: The Raspberry ... GPIO pins to blink a few LEDs. By reading the spec sheet, it’s remarkably similar to the latest from the foundation, save for WiFi and Bluetooth found on the Pi 3.

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, the same basic board layout, et cetera.

While the Raspberry Pi 4 and Raspberry Pi 3 Model B+ look almost identical (they measure 85 mm x 56 mm, and the board layout is similar), their input/output ports are anything but. The RPi 4 uses ...

There are also new extensions in Scratch 3 for Raspbian that allows users to create Scratch code to control the GPIO pins on the tiny computer as well as a Raspberry Pi add-on Sense HAT.

There are several key things that have helped make the Raspberry Pi such a success. They include its feature set (like the GPIO pins), its ... The Raspberry Pi 3 falls into the latter category ...