Stereo Wireless Speaker Bluetooth 4.0 Audio Receiver Module For DIY Modified Speaker
$1.16
Stereo Wireless Speaker Bluetooth 4.0 Audio Receiver Module For DIY Modified Speaker has a built-in Bluetooth module. The antenna structure is simple. The power supply voltage is 3.7 ~ 5V; active speakers increase Bluetooth connection function. The 7PIN output interface is spacing 2.54 through a hole;
The LED state port is connected with a 100-ohm resistor in series; LED indicates the ground connection, the Bluetooth is not connected and the flash is fast. After the Bluetooth connection is successful, it is slow flashing.
Note: The capacitor component may vary in terms of voltage range & capacitance w.r.t. the one which is shown in the image above.
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