3pcs bluetooth 4.0 Audio Receiver Module For Stereo Dual Channel Audio Speaker Amplifier JDY-62 SupportIOS

Manual Click here to openNote Pins can be soldered to pins or patches with 2 54mm pitch and 2 54 pin headersPinsFunctionDescription1VCCVoltage range 4 2 to 5V cant exceed 5V2GNDPower GND3LLeft channel output4RRight channel output5MUTEHigh level when mute usually low level6KCEmpty pinCommon problem 1 No bluetooth search Generally caused by power supply interference the power supply line must be added with LC filter circuit 2 Support 3 7 power supply or not The module is powered by 5 volts by default You can replace the upper diode of the JDY 62 module with the 0805 package 0R resistor or short the wire so you can use the lithium battery 3 bluetooth signal is too weakDo not wire or copper under the bluetooth module antenna or there should be no metal shielding around the antenna 4 The current sound is too loudGenerally 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 Pakage includes 3 x Receiver Module