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    What type of amplifier does the T5 module use?
    Are ferrite beads necessary in an amplifier circuit?
    How can I purchase a Sandwich development board?
    How does the Wi-Fi & BLE SoC NANO main control board enter network configuration mode?
    How many development boards can be bound to a Tuya Developer Platform account?
    What chip is used in Tuya's proprietary USB to TTL converter?
    What tools are needed for burning a sandwich development board?
    What should I do if the sandwich development board binding fails with the message "SN is invalid"?
    What is the difference between Tuya Smart Sandwich MCU Communication Board and SoC Control Board?
    How to obtain the SN number of a sandwich development board?

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