Sell MH-MX8 MP3 Decoder Board Bluetooth 4.2 5.0 Audio Modul Verlustfreie Stereo DIY Refit Lautsprecher Hohe Fidelity HIFI best price
0
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2
sold
₱55 - ₱73
Ships from | Mainland China |
---|---|
Color | M18 M28 M38 |
Product Description
MH-M18/M28/M38 is a low-power Bluetooth design solution that supports the latest Bluetooth 4.2 transmission, two-channel stereo lossless playback, and Bluetooth wireless transmission when the module is connected to Bluetooth, which is very convenient. In an open environment, the Bluetooth connection distance can be up to 20 meters.
Widely used in a variety of Bluetooth audio reception, a variety of audio DIY modification.
For your different needs, we offer 3 versions for you to choose from:
2..Function /Pin definition
1. Bluetooth V4.2 version, support Bluetooth automatic connection technology, support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output.
2. After the module is powered on, the mobile phone searches for the Bluetooth name MH-M18/MH-M28/MH-M38, and can play music after connecting Bluetooth.
3, module blue indicator light:
When the Bluetooth is not connected, the indicator light flashes quickly;
When the Bluetooth connection is on, the indicator light is always on;
The following is an introduction to each version:
MH-M18:
PCB size: 23*16*2.5mm (length, width and height)
Pin pitch: 2.54mm (can be directly attached or soldered)
3. Function /Pin definition
1.The interface adopts a semi-hole process, which is convenient for customers to directly attach or solder to the board.
2.1. Bluetooth V4.2 version, support Bluetooth automatic connection technology, support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output.
PIN NO
Function
Description
1
KEY
Button control terminal (4 button functions, additional resistors such as wiring diagram)
2
MUTE
Mute control terminal (output high level 3.3V when muting, output low level during playback)
3
VCC
Positive power supply 5V (lithium battery 3.7V power supply requires short circuit diode)
4
GND
GND
5
L
Left channel
6
R
Right channel
PIN
Description
1
5V
5V
2
GND
GND
3
VBAT
lithium battery 3.7V power supply3.7V-4.2V
4
L
Left channel
5
R
Right channel
6
AGND
Audio GND
1. Power supply: You can directly use the MICRO USB Android cable 5V for direct power supply, or you can also connect 5V power supply or 3.7V lithium battery (as shown below). Note that the 5V and 3.7V power supply interfaces are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.
2. Audio output: The earphone can be directly connected to the 3.5mm audio interface, or it can be wired for the audio input of the power amplifier board (the interface L/R/AGND can be directly wired as shown).
1. Power supply: You can directly use the MICRO USB Android cable 5V for direct power supply, or you can also connect 5V power supply or 3.7V lithium battery (as shown below). Note that the 5V and 3.7V power supply interfaces are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.
The maximum operating current is 5V2A. It is recommended
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