When you see and 94V-0 printed on a green or black circuit board, the manufacturer is telling you two specific things about the hardware's physical build, not its electronic function:
If you are looking to repair a device or understand its circuit design, What Does "CM4 94V-0" Actually Mean? cm4 94v0 schematics free
: Waveshare provides detailed schematic diagrams for their popular carrier boards (like the and ) on the Waveshare Wiki Ochin CM4 Go to product viewer dialog for this item. When you see and 94V-0 printed on a
What is the printed on the outside sticker? The CM4's 100-pin connectors have multiple functions per pin
The CM4's 100-pin connectors have multiple functions per pin. The official schematic shows exactly how the Raspberry Pi Foundation routes each pin. Copying from the official source is far safer than relying on guesswork or incomplete third-party pinout tables.
Covers the pinout and mechanical specifications of the module itself. B. KiCad and Design Files
All these projects are typically licensed under permissive open-source licenses like CC BY 4.0 or similar.