Description

Bluetooth audio receiver template, stereo wireless speaker, power amplifier modified DIY Bluetooth module 4.0

The module stereo output, built-in Bluetooth antenna, simple structure, the power supply voltage is 5V version selection, active speakers increase Bluetooth connection function.

The module stereo output, built-in Bluetooth antenna, simple structure, the power supply voltage is 5V version selection, active speakers increase Bluetooth connection function. 7PIN output interface for spacing 2.54 through hole, 7PIN output interface for: + power, ground, left, right, mute, LED status indication, reserved port. Among them, the LED status port is connected with a 100 ohm resistor in series. The LED indicates that the Bluetooth is not connected and the flash is fast. After Bluetooth connection is successful, it is slow flashing. The volume is: 30mm, X, 20mm, X, 3mm.