Warning: This carries a high risk of "bricking" the module if the configuration is corrupted. Technical Specifications Power Supply 3.7V - 5V (Micro USB or Battery pads) Audio Output 3.5mm Stereo Jack / Soldering pads Price Approximately $2.00 - $7.00 Changing the name on a CSR A64215 audio bluetooth module
Rather than a hard rename, it is often best practice to create an alias. This allows the system to recognize both the old and new names during the transition period, preventing service interruption.
The VHM-314 is a dedicated audio receiver board, not a sophisticated development board like an Arduino or ESP32. It lacks a user-accessible command interface or a standard method to reconfigure its core identity. The module is designed to be a simple, plug-and-play device. Once it has power, it boots up, loads its pre-programmed Bluetooth name from its flash memory, and begins broadcasting.
Some VHM-314 modules, particularly the VHM-314 V3.0 , are marketed as being compatible with the . It's crucial to understand the role of this app. The Sinilink APP is for controlling the module's playback functions (play/pause, next/previous track, volume) after it is connected. Vhm-314 Change Name
Before we dive into the process of changing the name of your VHM-314 device, let's take a brief look at what VHM-314 is. VHM-314 is a type of device that is commonly used in industrial and commercial settings. It's a versatile device that can be used for a variety of applications, including monitoring and controlling systems, collecting data, and more.
One of the most frustrating aspects of the VHM‑314 is that even its default name is inconsistent. Different vendors, different batches, and different firmware versions cause the module to broadcast a variety of names. Here is a sample of what users have reported:
Method 1: The "Simple" Approach - Renaming in Your Phone/PC Settings Warning: This carries a high risk of "bricking"
Many Bluetooth modules that transmit audio (like the HC‑05 used in Arduino projects) allow name changes because they expose a full UART command interface. The VHM‑314 is designed purely as a receiver – its only job is to receive and decode audio. Exposing a configuration interface would add cost and complexity that Chinese manufacturers deliberately avoided to keep the price under £2.
This method carries a high risk of bricking the device. It requires micro-soldering tools, a USB-to-TTL serial adapter, and proprietary Chinese chip utilities. Tools Needed A USB-to-UART/TTL serial adapter (CP2102 or FT232RL). High-quality soldering iron and thin gauge wire.
The legality of NMCNA-7 depends on your jurisdiction. Some countries (e.g., UK, Canada) have passed broad analogue acts that may capture NMCNA-7 as a controlled substance, even if Vhm-314 was previously legal. Always check local laws. Moreover, effects, dosage, and purity levels may differ slightly between original Vhm-314 and newer NMCNA-7 batches due to recrystallization processes. The VHM-314 is a dedicated audio receiver board,
VHM-314 is a solid, workmanlike update. It solves the immediate problem without introducing technical debt. The code is clean, readable, and well-documented. With the addition of proper audit logging in a future patch, this will be a fully mature feature.
Most VHM-314 modules are based on low-cost Bluetooth audio chips with locked firmware, meaning the name is hardcoded at the factory.
Go to the tab, type the new name in the text field, and click Apply . Option 2: Changing the Name Permanently (Hardware Level)
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