Features:
1.The product supports plug-maximum the 1G capacity of the SD card;
2.Supports playback of 4Bit ADPCM format files;
3.Automatically recognize the voice files;
4.Loadable 6KHz to 32KHz, 36KHz sampling rate AD4 audio;
5.Loadable 6KHz ~ 16KHz sampling rate WAV audio;
6.16bitDAC and PWM audio output;
7.Can store up to 512 voice;
8.WTV020-SD-20S, WTV020-SD-16P two module types;
9.Support micro-processor and key control;
10.Voice playback can call any paragraph;
11.Power-down save operation data capabilities;
12.Loaded voice without software assistance to the SD card can be placed directly on the voice;
13.Support file combination play, including mute combination;
14.Operating voltage: DC2.5 ~ 3.6V;
15.Quiescent Current: 16uA (SD card is not inserted)
Applications:
WTV020-SD module can be used in automotive electronics (anti-theft alarm, parking sensor, GPS navigation systems, electronic dog, central locking), smart home system, home burglar alarm, medical instruments, the human voice prompts, music player, home appliances (cooker , rice cookers, microwave ovens), entertainment devices (game consoles, amusement machine) learning model (Zaojiao, children’s audio books), intelligent transportation devices (toll stations, car parks), communication equipment (telephone switches, telephones), industrial control areas (elevators, industrial equipment), toys and other fields.
Related Tutorials:
c. Mp3 mode and audio amplifier.
d. Basic circuit with Arduino- example 1.
e. Basic circuit (trig and select) example 2.
f. How to convert mp3/wave format files to AD4 format.
Related documents:
- Datasheet of WTV020SD-16P
- Photos on FLICKR
- Download SOMO tool for converting mp3 and wave files to AD4 format.
- AD4 Format Files– Download Samples (6 music files)
- About WTV020SD-16P evaluation kit
