Raspberry Pi 3B+ 4 Articles . ... Underneath those sweet custom-cut panels lies a Raspberry Pi 3B and a BOM full of parts that can be had on Ali Express.

You can find the full schematics over at the Hackster project page but to give you an idea of what you have to work with, it comes with things like an LCD display, a GPS module, relays, a servo ...

Credit card-sized computer fits Raspberry Pi cases, and is upgradeable. ... (MicroSOM), it has ready-to-use OS images, and its open hardware comes with full schematics and layout.

The schematic above shows the audio circuitry from the first Raspberry Pi. On the left are inputs from a pair of BCM2385 PWM lines, and on the right is the audio jack.