Set 3 Bảng Mạch Nhận Tín Hiệu Bluetooth 4.2 Mp3 M18 Blt 4.2 Mp3 Không Dây tại Lotte Market

Giới thiệu Set 3 Bảng Mạch Nhận Tín Hiệu Bluetooth 4.2 Mp3 M18 Blt 4.2 Mp3 Không Dây tại Lotte Market

1. ule interface adopts half-hole technology, customers can directly mount or weld on the board.
2. MUTE mute control terminal: used to control the power amplifier board, MUTE outputs high level 3.3V when mute, and low level when playing. KEY button control: This function can be realized only by connecting resistors and buttons. (The corresponding resistance is shown in the wiring diagram)
3. Volume retention function: the default output is 100% volume. Use the buttons to control the volume increase or decrease. If the control volume is less than 15%, the volume output will be 15% after power-on; if the control volume is greater than 15%, the original volume will remain unchanged after power-on.
4. This product M18 is a low-power Bluetooth design solution, supports the latest Bluetooth 4.2 transmission, 2-channel stereo lossless playback, and the ule can be connected to Bluetooth to quickly realize Bluetooth wireless transmission, which is very convenient.
5. In an open environment, the Bluetooth connection distance can reach 20 meters. Widely used in a variety of Bluetooth audio reception, a variety of audio DIY ification.

Function Description:
Bluetooth V4.2 version, support Bluetooth automatic connection technology, support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output.
After the ule is powered on, the searches for the Bluetooth name MH-M18, and can play music after connecting Bluetooth.
ule 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;
When the Bluetooth is playing, the indicator light flashes slowly.
M18 Pin Description:
KEY------Button control terminal (4 button functions, additional resistors such as wiring diagram)
MUTE---Mute control terminal (output high level 3.3V when muting, output low level during playback)
VCC-----Positive power supply 5V (lithium battery 3.7V power supply requires short circuit diode)
GND-----Power negative
L-----------Left channel
R----------Right channel
Colour: black
Material: PC + metal
Size: 23 x 16mm

Package Contents:
3 x M18 Wireless Bluetooth MP3 Audio Receiver Board (For different production batches, the characters on the product appearance may be different from the pictures)

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.