The VHM-314 is a popular, low-cost Bluetooth audio receiver module used extensively in DIY audio projects. While these boards are efficient and easy to use, they often come with a generic broadcast name like "VHM-314" or "XY-BT."
Offers more customization and a dedicated data interface.
It sounds simple, but for DIY enthusiasts building multi-room audio, physical labeling is the most effective tool. Use a label maker to put the unique ID or the local name you assigned on the outside of the project box. How to Rename VHM-314 on Your Phone (Local Only) Vhm-314 Change Name
Since software-based renaming is generally locked out for the average user, here are the best ways to manage multiple VHM-314 modules or customize your project experience. 1. Identify by MAC Address
A similar low-cost audio module that supports name changes via serial commands. The VHM-314 is a popular, low-cost Bluetooth audio
If having a custom broadcast name is a requirement for a commercial product or a high-end DIY build, consider swapping the VHM-314 for a module that supports . Recommended Alternatives:
If your goal is simply to stop getting confused when connecting your phone, follow these steps: For Android: Go to > Connected Devices . Tap the Gear Icon next to the VHM-314. Tap the Pencil Icon (Edit) at the top right. Type your new name (e.g., "Retro Radio") and hit Rename . Go to Settings > Bluetooth . Tap the "i" icon next to the VHM-314. Tap Name . Enter the new name and go back to save. Summary Table: VHM-314 Capabilities Broadcast Name Change ❌ Not Supported Local Device Renaming ✅ Supported (via Phone/PC) AT Command Support Onboard USB Programming Use a label maker to put the unique
Unlike high-end Bluetooth modules (like those from CSR/Qualcomm) or programmable microcontrollers (like the ESP32), the VHM-314 uses a low-cost, fixed-function Bluetooth SoC (System on a Chip). In most versions of this board, the Bluetooth name is hardcoded into the firmware during the manufacturing process. The Technical Barrier
The board lacks a dedicated USB-to-UART interface for AT commands.
Once connected, most smartphones (iOS and Android) allow you to within your Bluetooth settings. This doesn't change the broadcast name for other people, but it helps you keep track of which module is in the "Kitchen" versus the "Garage." 2. Hardware Swapping (The Pro Method)