MH-M18 Bluetooth audio receiver

MH-M18 Bluetooth audio receiver

PrisNOK44,90 inkl. mva.
På lager: 5 stk.
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   This product MH-M18 is a low-power bluetooth design, supports new bluetooth 4.2 transmission, two-channel stereo lossless playback, after the module is connected to bluetooth, it can quickly realize bluetooth wireless transmission, which is very convenient. In an open environment, the Bluetooth connection distance can reach 20 meters.

The module interface adopts a half-hole process, and customers can directly patch or solder it on the board.
Widely used in various Bluetooth audio reception, various audio DIY modification, etc.

Function Description:

Bluetooth V4.2 version, support Bluetooth automatic connection technology, support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo binaural output.
After the module is powered on, the mobile phone searches for the Bluetooth name MH-M18, and the music can be played after connecting to the Bluetooth;

Module blue indicator:
When the Bluetooth is not connected, the indicator light flashes quickly;
When the bluetooth is connected, the indicator light is always on;
When Bluetooth is playing, the indicator light flashes slowly.

Pin Description:
KEY: button control terminal (4 button functions, need to add additional resistance)
MUTE: mute control terminal (output high level 3.3V when mute, output low level when playing)
VCC: positive power supply 5V (Lithium battery 3.7V power supply requires short-circuit diode)
GND: negative power supply
L: Left channel output
R: Right channel output

MUTE mute control terminal: used to control the power amplifier board, MUTE outputs a high level of 3.3V when muted, and outputs a low level during playback.

KEY button control: This function requires additional connection of resistance and button to realize.

Volume power-off hold function: the default output volume. The volume is controlled by the buttons to increase or decrease. If the control volume is less than 15%, the volume output will be 15% after the power is turned on again; if the control volume is greater than 15%, the original volume will remain unchanged after the power is turned on again.

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