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

Note: Pins can be soldered to pins or patches with 2.54mm pitch and 2.54 pin headers

Pins	Function	Description
1	VCC	Voltage range 4.2 to 5V, canat exceed5V
2	GND	Power GND
3	L	Left channel output
4	R	Right channel output
5	MUTE	High level when mute, usually low level
6	KC	Empty pin

Common 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 weak Do 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 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.
Pakage includes:

3 x Receiver Module