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    Voltage Drop Issue with Bluetooth Audio Module Using 3.7V Li-Ion Battery Message

    Hi everyone, I’m working on a project involving the Bluetooth audio module powered by a 3.7V 3200mAh Li-ion battery. While the module technically supports a voltage range of 3.7V to 5V, I’ve encountered a significant issue when the battery voltage drops below 4V. As the voltage decreases, the...
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    Bluetooth Audio Module - Distortion and Quality Issues at High Volume

    Hi everyone, I’m working on a speaker project using the BT-201 Bluetooth audio module. I’m powering the module with a 3.7V 18650 battery and directly connecting the output to the speaker. However, I’m experiencing significant distortion and loss of audio quality at high volume levels. Here’s...
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