2pcs JQ8900 MP3 Voice Broadcast Module with USB Interface for Custom Music Playback and Intelligent Recognition

Product Parameters- Core Chip​​: JQ8900 (16-bit MCU + ADSP hardware decoding)- Input Voltage​​: 2.8V-5.5V DC (optimized 4.2V, max 5.5V)- Audio Decoding​​: MP3/WAV, 8-48kHz sampling, 24-bit DAC (90dB dynamic range, 85dB SNR)- Storage​​: USB/TF/SPI FLASH (max 4MB, FAT32 support)- Interface​​: UART (9600bps, 8N1 TTL), USB 2.0 (direct file copy)- Output​​: 3W/8Ω differential SPK- Control​​: One-wire serial (VPP), 7 IO triggers, UART commands- ​​Power​​: 10mA (active), 0.6mA (sleep)- Temperature​​: -40℃ to 85℃- Size​​: SSOP24 package (16-pin)Pin Definitions- VPP (Pin 1): Serial interface 1- BUSY (Pin 2): Playback indicator light (high when audio output is present, low when no audio output)- RX (Pin 3): UART serial data input (3.3V TTL level)- TX (Pin 4): UART serial data output (3.3V TTL level)- GND (Pin 5): Ground (power ground)- DC-V (Pin 6): Module power input (no more than 5.2V)- SPK- (Pin 7): Speaker + (connect to 2W/8R or smaller passive speaker)- SPK+ (Pin 8): Speaker - (connect to 2W/8R or smaller passive speaker)- I07 (Pin 9): Trigger input 7 (triggered ground)- I06 (Pin 10): Trigger input 6 (triggered ground)- I05 (Pin 11): Trigger input 5 (triggered ground)- I04 (Pin 12): Trigger input 4 (triggered ground)- I03 (Pin 13): Trigger input 3 (triggered ground)- I02 (Pin 14): Trigger input 2 (triggered ground)- I01 (Pin 15): Trigger input 1 (triggered ground)- DAC (Pin 16): Audio output (external power amplifier)FAQ​​1.Q: Audio files not playing?​​A: Ensure 5-digit names (e.g., 00001.mp3), MP3/WAV format, and disable FAT32 long names.2.Q: Audio stuttering/noise?​​A: Add low-ESR decoupling capacitor, avoid motor power sharing.3.Q: UART commands unresponsive?​​A: Verify baud rate (9600bps), TX/RX wiring, and add 10ms delay after commands.

• 【High-Performance Voice Module】 JQ8900 supports MP3 and WAV audio decoding with 24-bit DAC output; 8–48kHz sampling rate; 90dB dynamic range; 85dB signal-to-noise ratio; suitable for embedded voice applications.
• 【Flexible Control Options】 One-line serial port (VPP), UART command, or IO trigger control; 7-way IO input for 19 voice combinations; compatible with for Arduino and for Raspberry Pi; easy to integrate into IoT systems.
• 【Low-Power Design】 Sleep current as low as 0.6mA; deep sleep mode for battery-powered devices; 10mA working current; Suitable for portable and energy-efficient applications.
• 【Wide Operating Temperature Range】 Functioning from -40°C to 85°C; Reliable stability; suitable for outdoor and harsh Settings; reliable performance in varying conditions.
• 【Easy File Management】 Supports USB 2.0 direct copy; FAT file system; U disk/TF card/SPI FLASH storage; no need for complex configuration; simple setup for audio updates and playback.