: Once paired, the module automatically reconnects to the last device when powered on.
: On some versions (like V2.0/V3.0), short-circuiting these pads allows the module to function as a USB Sound Card when connected to a PC. VHM-314 Bluetooth Audio Receiver Board Module vhm 314 datasheet free
For advanced DIY integration, the board includes several solder pads alongside the standard connectors: : Primary 5V power input. : Once paired, the module automatically reconnects to