JDY-62A 5.0 Bluetooth Stereo Module

From the shop's description

JDY-62A 5.0 Bluetooth Stereo Module Product parameter Name: Bluetooth 5.0 Stereo Dual Channel Module Product model: JDY-62A Bluetooth version: 5.0 Pin spacing: 2.54mm Number of channels: two channels (stereo) Power supply voltage: 5V power supply by default (3.7V lithium battery can be supplied by replacing 0R resistor) Dimensions: 23*15.5*2.4mm (L * W * H) VCC: The voltage range is 4.2~5V, power supply especially cannot exceed 5v GND: Power ground L: Left channel output R: Right channel output MUTE: Low level when playing music, and high level when stopping playing KC: Null pin FAQ: Bluetooth cannot be searched Generally, it is caused by power interference, so filter circuit must be added to the power line. Bluetooth signal is too weak Do not wire or copper under the antenna of Bluetooth module, or there is no metal shield around the antenna. The current is too loud Generally caused by interference of power supply. It is suggested that the power amplifier wiring should not be too long, and the Bluetooth ground should be separated from the power ground. Does it support 3.7V power supply? The module is powered by 5V by default, and the diode on JDY-62 module can be replaced by 0805 package 0R the lead circuit can be used, so that the lithium battery can be used for power supply.