Description: WTV-020M-01 Sound Module
WTV020-SD module is reprogrammable voice module with large capacity storage which can support plug-in 1GB SD card maximum,and support WAV and AD4 format audio files. WTV020-SD module uses WTV020SD-20S voice chip as master core, with MP3 control mode, one to one key control mode(control 3 groups of voice or 5 groups of voice ), 2-wire serial port control mode and Loop play mode after power on.The control mode is set when program the voice chip, and can not switch to other control mode during operating, which control mode you need, just tell us, we can customize for you.
- Supports FAT file system SD carrier.
- Supports playing of 4Bit ADCPM format files.
- Recognize the voice files automatically.
- Support micro-processor and key control.
- Could be called any paragraph voice playing.
- Saving operation data when power off.
- Loading voice to the SD card without assistance of software.
- Support combination playing of file (including mute combination).
- Memory contents classified by file.
- The product is WTV020 chip plug-in SD card module, which supports 2m 3gbit capacity card.
- Aspect support FAT file system,SD card as storage carrier.
- Throughout support for playing WAV and 4Bit ADCPM format files.
- Fraud supports automatic identification of folders and voice file playback.
- Throughout can play background music and interrupt ads.
- Throughout the control mode there are key control,second-line control and UART232 serial port control.
- The overhaul WTV main control chip includes wtv020-16sop and wtv020-20sop,both of which are compatible.
- The neuron can play any part of speech.
- Playful working voltage:DC2.6 ~ 3.6v.
- Fraud storage content is sorted by folder for ease of operation.
WTV020-SD module can be used in automotive electronics (anti-theft alarm system, reversing radar, GPS navigation systems, electronic dog, central locking), intelligent home systems, home burglar alarm, the human voice prompt of medical devices, music players, home appliances (cooker , rice cookers, microwave ovens), entertainment (games, amusement machines), learning models (early learning machine, child audio books), intelligent transportation equipment (toll stations, car parks), communications equipment (telephone exchanges, telephone), industrial control areas (lifts, industrial equipment), toys and other fields.
PWM+ audio output pin/ DAC audio output positive
PWM- audio output pin
Key/ 2-wire serial port clock pin
Ground wire pin
Key trigger pin
Key/ 2-wire serial port data input pin
Voice play busy signal output pin
Power input pin
1 x WTV-020M-01 Sound Module