Vhm 314 Datasheet Free __exclusive__
If the part is truly custom (e.g., a coded IC from a specific laptop motherboard or car ECU), the public datasheet may not exist. Here is your workaround:
The VHM-314 is a highly popular, low-cost Bluetooth audio receiver board used extensively by DIY electronics enthusiasts. It allows you to add wireless Bluetooth audio connectivity to old amplifiers, wired headphones, car stereos, and custom speaker builds.
Bluetooth mode active; searching for a device to pair.
The is a low-cost, high-performance Bluetooth audio receiver board. It is widely used in DIY audio projects, speaker conversions, and car audio upgrades. vhm 314 datasheet free
Ensures stable, fast connectivity and lower power consumption.
The VHM-314 is widely recognized as a compact and low-cost Bluetooth audio receiver module. In its most common form, it's a small printed circuit board (PCB) that allows you to add wireless audio streaming capabilities to any device with an auxiliary (AUX) input, such as older car stereos, powered speakers, DIY amplifiers, and home audio systems. It receives audio wirelessly from a smartphone, tablet, or computer and outputs it as a standard analog stereo signal through a 3.5mm jack or solder pads.
The results were the usual graveyard of broken links: obsolete forum pages, Russian schematic dumps, and a defunct electronics supplier’s catalog from 2007. The VHM 314 was a ghost. A legendary, impossibly precise analog-to-digital converter chip from the late 80s, used in a single, now-mythical piece of Soviet test equipment. Finding its datasheet was a rite of passage for hardware archaeologists. If the part is truly custom (e
: A built-in LED (typically blue) indicates pairing status and active connection. Pinout and Interface Details
Micro USB (5V) or external solder pads for a 3.7V Lithium battery Audio SNR: Total Harmonic Distortion (THD+N): Crosstalk: Transmission Distance: Up to 15 meters in open space Supported Decodes: MP3, WAV, FLAC, APE Dimensions: ElectroPeak 🔌 Interface and Controls
The onboard blue LED will flash rapidly, and you may hear a voice prompt or a chime through the audio output indicating "The Bluetooth device is ready to pair." Bluetooth mode active; searching for a device to pair
On the fifth page of results, a single line of blue text appeared, nestled between two dead links:
The board features an onboard blue LED indicator that communicates the system's operational state:
| Specification | Details | | :--- | :--- | | | VHM-314 | | Main Chip | AC1847AP1P803 (or variants like AS19AP) | | Primary Function | Bluetooth Audio Receiver / MP3 Decoder | | Bluetooth Version | 4.1 / 5.0 (varies by version; V2.0 often 5.0) | | Operating Voltage | 3.7V - 5V DC | | Power Supply | microUSB port or via solder pads for a Li-ion battery | | Audio Output | 3.5mm stereo jack + L/R solder pads | | Signal-to-Noise Ratio (SNR) | 90 dB | | Total Harmonic Distortion (THD+N) | -70 dB | | Dynamic Range (DNR) | 91 dB | | Crosstalk | -86 dB | | Supported Protocols | A2DP, AVCTP, AVDTP, AVRCP, HFP | | Supported Audio Formats | MP3, WAV, APE, FLAC (lossless playback) | | Range (LOS) | >5m to up to 15m | | Dimensions | Approx. 30 x 30 mm | | Weight | ~5 grams |
Delivers a signal-to-noise ratio (SNR) of 90dB and supports lossless decoding formats. Versatile Power Supply: Can be powered via USB ( ) or a Lithium battery ( Plug & Play: Includes a stereo jack for easy analog output. VHM-314 Technical Specifications (Datasheet Summary)