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VCC: The voltage range is 4.2V to 5V. In particular, it cannot exceed 5V.
GND: power ground
L: left channel output
R: right channel output
MUTE: High level when silent, usually low level
KC: empty pin

The Bluetooth audio module has a very high power requirement, otherwise it will affect the quality of the audio. The power supply must be powered by an LC filter circuit, especially a switching power supply.

Module size
PCB : 25*15.5*2.4MM
Pin pitch: 2.54MM

common problem:
1, search for blue:
Generally, due to power supply interference, the power supply line must be supplemented with an LC filter circuit.
2, whether to support 3.7V power supply:
The module is powered by 5V by default. You can replace the diode on the JDY-62 module with the 0805 package OR resistor, or short-circuit the wire so that it can be powered by a lithium battery.
3, the Bluetooth signal is too weak
Do not wire or copper under the Bluetooth module antenna. There must be no metal shielding around the antenna.
4, the current sound is too loud
Generally caused by power ground interference, it is recommended that the power amplifier wiring should not be too long, and the Bluetooth ground should be separated from the power ground.

Package Included: 1 x JDY-62 Mini BLE Antenna Bluetooth Stereo Audio Board

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