🔬 BT401 I2S Module - Comprehensive AT Command & Firmware Upgrade Test #B...



💻 [Deep Dive: Mastering the BT401 I2S Audio Module]

⚙️ Complete Developer Walkthrough
A 4m35s guide to full module control:
🔹 Part 1: AT Command Configuration

  • Set baud rate (115200 → 256000)

  • Adjust volume levels (30 → 15)

  • Disable UART echo
    ✅ All settings survive power cycles

🔹 Part 2: Firmware Upgrade

  • Use official tool to upgrade

  • Switch between I2S Slave & I2S Master modes

  • Verify upgrade success instantly

🎯 Why Developers Trust BT401:
High configurability | Reliable field updates | Robust performance

#BT401 #I2SModule #FirmwareUpgrade #EmbeddedAudio #DeveloperTools

👉 SWIPE for the step-by-step technical demo!


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