JQ8900-16P Voice broadcast module

Features:

• Supports MP3 and WAV audio decodingvia dedicated hardware (DSP).
• Compatible with FAT file systems.
• Multiple control options: 2-wire UART, 1-wire serial control, and physical buttons.
• Audio files can be read from USB drives, TF cards, and SPI Flash.
• Functions as a USB sound card, card reader, and supports HID control.
• SPI Flash emulates a USB drive, allowing direct voice file updates.
• Full media playback control: play, pause, stop, next/previous track, and track selection.
• Can insert specific tracks, temporarily pausing the current one and resuming it after.
• Supports Chinese and English path-based playbackand file insertion—no need to know file serial numbers.
• Cross-drive insertionis supported (e.g., play from SPI Flash during TF card playback).
• Track combination playbackfrom specified folders is supported using song names.
• 30-step volume controlfor precise sound adjustment.
• Allows query of playback status, current track, total number of tracks, and directory info.

Specifications:

• Supported sampling rates: 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48 kHz
• DAC output: 24-bit digital-to-analog conversion
• Dynamic range: 90 dB
• Signal-to-noise ratio (SNR): 85 dB
• Output: Non-PWM, high-quality analog output
• Control interfaces: 2-wire UART, 1-wire UART, buttons
• Storage interfaces: TF card, USB drive, SPI Flash
•   Operating Voltage: DC 3.3 V to 5.2 V (recommended 5V)

• Embedded projects– voice alerts in Arduino/ESP32 systems
• Smart home– door status, motion detection announcements
• Security systems– intrusion or gas leak voice alarms
• Industrial use– machine status or safety alerts
• Public terminals– spoken instructions at kiosks or ATMs
• Toys & gadgets – interactive talking features