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Product Application Area

The module can be applied in automotive electronics (anti-theft alarm, reverse radar, GPS navigation, electronic dog, central control lock), smart home systems, home anti-theft alarms, medical equipment voice prompts, music playback, home appliances (induction cookers, rice cookers, microwave ovens), entertainment equipment (game consoles, amusement machines), learning building types (early education machines, children's audiobooks), intelligent transportation equipment (collection stations, parking lots), communication equipment (telephone exchanges, telephones), industrial control fields (elevators, industrial equipment), toys and other fields.

Product Parameters

The product supports external SD cards with a maximum capacity of 1G;

Support playing 4BIT ADPCM format files;

Automatically recognize voice files;

Can load 6KHZ~32KHZ, 36KHZ sampling rate AD4 audio; Capable of loading WAV audio with sampling rates ranging from 6KHZ to 16KHZ;

16BITDAC and PWM audio output; Up to 512 segments of voice can be stored;

Support microprocessor and button control; Can call any paragraph's voice for playback;

Power off saving operation data function; Loading voice without software assistance, simply place the voice onto the SD card;

Support file combination playback, including mute combination

Supply voltage: 3.3V-5V

Working voltage: DC2.5~3.6V;

Static current: 16UA (without SD card inserted)

Product Features

1. Default shipping mode (two-wire serial port control mode)

Supports MP3/AV/WMA format audio, this upgrade no longer supports the old AD4 format

Module power supply 3.3V-5V

Supports TF card, USB flash drive, SPI-Flash

2. Module follow-up flashing mode (MP3 control mode)

Procedure upgrade steps:

1. Prepare a USB flash drive or T-card

2. Format

3. Copy the upgrade document to the prepared ∪ disk or T card

4. Power on the circuit board|

5. Insert USB flash drive or TF card

6. Wait for 10-20 seconds, when the speaker emits a "wuwuwu" sound similar to vibration (which may not be audible, but can be felt by touching the speaker diaphragm with your fingers), indicating that the upgrade is complete

7. Unplug the USB flash drive or TF card and use it normally

Attention: If you do not hear the "wuwuwu" sound for more than 30 seconds, please repeat steps 4, 5, 6, and 7

Product Size

Product Show

Payment&Transportation

Official Certificate&Certificate

Multiple product supply

Company office environment

Warehouse Real Shot

Standard packaging

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