声音模块、电子产品的旋律单元的智慧

WTV020-SD-16P voice module ,SD card play module,melody module Features: Control mode MP3 mode: With play/stop/next/previous/V+/V- function Key mode(three groups of voice):Total can connect five key, three for one key one vocie, other two for adjust volume V+/V- Key mode (five groups of voice): Total five key one key one voice, and we can set play mode by software as below 1.After pressing one key ,one vocie play, then press anther key , it will not play before finishing the former one 2 After pressing one key ,one vocie play, then press anther key , it will play immediately but stop the former one Two line serial mode:can be control by MCU Applications: 1.car(anti-theft alarm,reversing radar,GPS Navigator,dongle,central Locking), 2.Intelligent home system ,Home Burglar Alarm,Medical Devices,Household Appliance( Induction Cooker,RiceCooker,microwave oven) 3.entertainment facilities(Gaming Console) 4.Learning Model (Early Learning Machine,Children's audiobook) 5.Intelligent Transportation equipment(Toll Station,parking lot) 6.Communications device( telephone exchange, telephone) 7.industry control field(elevator,industrial equipment) 8.toy and so on. Picture: 1.Support 1GB SD card max, or 64M SPI flash max2.Support 4bit ADPCM files and WAV files3.Sampling rate 6KHz 36KHz for ADPCM format,6KHz 16KHz for WAV format4.16bit DAC/PWM audio output5.Key mode ,MP3 mode and two serial interface mode can be shoose one6.Copy files to SD card from PC7.Working voltage 2.7 3.5VDC