Bluetooth Audio module MH-MX8 M18
Product information:
Simple bluetooth 4.2 audio module.
Once the module has been connected, a connection can be made to a telephone, for example, and audio can be played.
Connections: KEY, MUTE, VCC, GND, Audio L and Audio R.
The following buttons can be created on the KEY connection using resistors: Pause, Next/V+, Prev/V-, On/Off.
To do this, see the diagram in the images.
Works on 5V but can also be connected to 3.7V lithium battery. To do this, bridge the resistor as shown in the image with the resistor circled in red.
An audio amplifier is also needed to connect speakers.
To eliminate any interference, use a filter circuit as shown in the images.
With blue status LED: no connection = fast flashing, connected = on, playing = slow flashing.
Dimensions: 23mm x 16mm x 2.5mm
Power consumption:
- Deep sleep 3µA
- Connected: 20mA
- Not connected: 5.5mA
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