Can be powered via a standard Micro-USB cable or a direct DC power supply.
While the search for a "VHM 314 datasheet free" may not lead to a single, official PDF, the information is readily available if you know where to look. This guide has collected all the vital technical data, practical insights, and project ideas you'll need to make the most of this excellent little module.
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.
Have a mystery component code? Drop the markings in the comments below and we’ll help you decode it. vhm 314 datasheet free
The VHM-314 board relies on an integrated SoC—frequently the chip—to handle both wireless communication and digital-to-analog audio decoding. Specification Details Bluetooth Version Bluetooth 5.0 (Backward compatible with 4.0, 4.1, 4.2) Operating Voltage DC 3.7V to 5.0V Power Interfaces
Micro-USB or Type-C port (depending on version) & Lithium battery solder pads ≥is greater than or equal to Total Harmonic Distortion (THD+N) ≤is less than or equal to 0.1% (−70 dB) Dynamic Range (DNR) Crosstalk Frequency Response 20 Hz to 20 kHz Supported Audio Codecs MP3, WAV, FLAC, APE, WMA Supported BT Profiles A2DP, AVCTP, AVDTP, AVRCP, HFP Line-of-Sight Transmission Up to 15 meters (open space) Physical Dimensions Approximately 30mm Module Pinout and Interface Layout
The VHM-314 is widely available from online electronics retailers and marketplaces globally. Some reliable sources include: Can be powered via a standard Micro-USB cable
: Look for the official website of the company that produces VHM 314. If you know the manufacturer, this is usually the best place to start. Companies like Hextool, Sumitomo, or other hardmetal producers often have datasheets available for download.
Adding Bluetooth capability to car stereos lacking this feature.
A key detail for anyone seeking a datasheet is that the VHM-314 exists in several hardware versions. Forum discussions have identified at least , each potentially using a different core Bluetooth chipset, such as the AC1847AP1P803 , AS19AP , AS20BP , or AS22BP . This variation is the primary reason an all-encompassing datasheet is hard to find; documentation is often specific to the internal chip, not the module's generic product name. The VHM-314 is a highly popular, low-cost Bluetooth
Online forums like QRZ.ru and Elektroda.pl are invaluable resources. Hobbyists and engineers often share pinout diagrams, connection schematics, and troubleshooting tips for these popular modules. Searching these sites for "VHM-314 circuit diagram" can yield helpful community-generated documentation.
The VHM 314 is a type of Hall effect sensor IC (Integrated Circuit) designed for high-performance applications. It's a versatile device that can be used in a wide range of applications, including current sensing, position detection, and speed measurement. The VHM 314 is known for its high accuracy, reliability, and durability, making it a popular choice among engineers and designers.
The VHM-314 board layout is designed for simplicity. It features a mix of plug-and-play connectors and solder points for advanced integration. Power Interfaces
This overview of the module's key technical specifications is based on information from the sources above and functions as its own "quick reference" datasheet.
VHM-314 Bluetooth 5.0 Audio Receiver Module: Free Datasheet, Pinout, and Features