Sometimes, "VHM 314" is a proprietary or OEM number. If you search for a and come up empty, do this:
Two hours later, at precisely 23.5°C, with a precision voltage reference clamped to the chip’s casing, Elara powered on the Polaris-9. The warm-up sequence whined. The CRT flickered.
Standard audio output port for immediate plug-and-play use with headphones or AUX cables.
Bluetooth Version: 5.0 (Compatible with 4.1, 4.2)Power Supply: 3.7V to 5V DCCurrent Consumption: 20mA (Operating), 10mA (Idle)Signal-to-Noise Ratio (SNR): 90dBTotal Harmonic Distortion + Noise (THD+N): -70dBCrosstalk: -86dBDynamic Range: 91dBSupported Decoding: WAV, APE, FLAC, MP3Transmission Distance: Up to 15 meters (line of sight) Pinout and Connection Ports
While the VHM-314 is highly reliable, specific issues can occur depending on your power source and wiring configuration. Issue 1: Ground Loop Noise or Buzzing
Open the Bluetooth settings on your smartphone, tablet, or computer. Scan for new devices. The module will appear in your list under the name . Select it to pair. No password or PIN code is required. Step 3: Playing Audio
Ensure your power source can deliver at least 500mA of stable current. Keep the module away from large metal objects or high-power Wi-Fi routers that might block the onboard PCB trace antenna. Issue 3: Device Cannot Be Found