MH-M18 Wireless Stereo Music Module Lossless Bluetooth-Compatible Audio Module HiFi DIY Modification Kit

MH-M18/M28/M38 Wireless Stereo Music Module with Indicator Light Bluetooth-Compatible Audio Module HiFi DIY Modification Kit
Feature:

1.
Low Power Bluetooth-Compatible Design: This audio module features a low-power Bluetooth-Compatible design that supports the latest Bluetooth-Compatible 4.2 transmission technology, enabling quick and easy wireless connectivity between devices.

2.
High-Fidelity Stereo Playback: With support for dual-channel stereo sound and lossless playback of WAV/WMA/FLAC/APE/MP3 files, this Bluetooth-Compatible audio module delivers high-fidelity sound quality that's perfect for audiophiles.

3.
Automatic Reconnection: The module supports automatic reconnection technology, making it easy to connect to your device and start playing music instantly.

4. Easy to
Use: Once powered on, your phone will automatically search for the MH-M18/M28/M38 Bluetooth-Compatible name, allowing you to connect quickly and play your favorite tunes right away.

5.
Clear Indicators: The blue indicator light on the module offers clear indications of its status, with fast flashing indicating no connection, steady light indicating connection, and slow flashing indicating playback.
Specification:
MH-M18:
The module interface adopts a half hole process, and customers can directly mount or weld it onto the board.
Number Pin Description
1 KEY button control terminal (4 button functions, additional resistance required
2 MUTE mute control terminal (output high level 3.3V during mute, output low level during playback)
3 VCC power supply positive pole 5V (lithium battery 3.7V power supply requires short-circuit diode)
4 GND power supply negative pole
5 L left channel output
6 R right channel output
MUTE mute control terminal: used to control the power amplifier board. When mute, MUTE outputs a high level of 3.3V, and when playing, it outputs a low level.
KEY button control: This function requires additional connection of resistors and buttons to be implemented.
Volume power off hold function: default output volume. Control the volume to increase or decrease by pressing the button. If the control volume is less than 15%, the volume output will be 15% after re powering on; If the control volume is greater than 15%, the original volume will remain unchanged after power on again.
Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.
1 x Bluetooth-Compatible Audio Module