2 layers55 × 35 mm

Bf-029
botanicfields/PCB-Grove-DFPlayer-Mini
a PCB to connect DFPlayer-Mini through Grove Connector
23 parts1CC0-1.0
Boards in 1 GitHub repository, designed in KiCad, that use the BY4 by DIOTEC. See how each wires it, with its parts, size, README and files; the BY4’s symbol, footprint and pinout are on its own page.

botanicfields/PCB-Grove-DFPlayer-Mini
a PCB to connect DFPlayer-Mini through Grove Connector