Vhm 314 Datasheet Free Extra Quality Jun 2026
Users should not use the Micro-USB and battery inputs simultaneously to avoid damaging the charging circuit or battery.
For advanced DIY integration, the board includes several solder pads alongside the standard connectors: : Primary 5V power input.
The VHM-314 is a versatile, low-cost Bluetooth 5.0 audio receiver module featuring a 3.5mm stereo output and supporting lossless audio formats, with operating voltages between 3.7V and 5V. Available in multiple iterations, the board is commonly used for DIY audio projects and features an onboard LED to indicate pairing status. Access the technical specifications and documentation in this datasheet .
Below is the comprehensive technical datasheet, pinout configuration, and application guide for the VHM-314 module. Technical Specifications Value / Range 3.7V to 5V DC Power Interface Micro-USB or solder pads Bluetooth Version Bluetooth 5.0 (Compatible with 4.1/4.2) Supported Protocols A2DP, AVCTP, AVDTP, AVRCP, HFP Signal-to-Noise Ratio (SNR) Total Harmonic Distortion (THD+N) Crosstalk Dynamic Range Transmission Distance Up to 15 meters (Clear line of sight) Audio Output 3.5mm AUX jack or 3-pin solder pads Pinout and Hardware Interface vhm 314 datasheet free
This complete technical document details the engineering specifications, wiring connections, and operational details for the Technical Specifications Matrix
Use the datasheet for the Allegro A3144 or Honeywell SS400 series as a reference for pinout and voltage parameters. These are free, widely available, and electrically compatible.
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." Users should not use the Micro-USB and battery
In firmware, configure the GPIO as input and trigger on rising/falling edge depending on magnet polarity and wiring.
According to technical documentation, the VHM-314 has the following specifications: Specification Operating Voltage (Micro USB or Battery) Signal-to-Noise Ratio (SNR) ≥90dBis greater than or equal to 90 d cap B THD+N -70dBnegative 70 d cap B Crosstalk -86dBnegative 86 d cap B DNR 91dB91 d cap B Support Profiles A2DP/AVCTP/AVDTP/HFP Transmission Distance (open space) Output Interface Stereo Jack Dimensions How to Find the VHM-314 Datasheet Free
The is a robust, versatile magnetic sensor, but it is useless without its documentation. Do not risk your PCB spin, your $10,000 prototype, or your thesis project by working without the datasheet. Available in multiple iterations, the board is commonly
VHM-314 Bluetooth Audio Receiver Module: Pinout, Specs, and Full Datasheet Guide
, based on data available from various technical datasheets and product documentation. 1. Executive Summary