4.0 Stereo Wireless Speaker Bluetooth
This DIY Modified Speaker includes a 4.0 Stereo Wireless Speaker Bluetooth Audio Receiver Module with a built-in Bluetooth feature. The antenna design is uncomplicated, and the power supply voltage ranges from 3.7 to 5V. Additionally, it can enhance the connectivity of active speakers via Bluetooth. The 7PIN output interface has a spacing of 2.54 and can be easily connected through a hole.
The LED state port is attached to a 100-ohm resistor in series. The LED denotes the ground connection, while the Bluetooth and flash exhibit a rapid blinking. Once the Bluetooth is successfully connected, the blinking becomes slower.
Please take note of the following information:
The voltage range and capacitance of the capacitor component may differ from those displayed in the above image.
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