Mini SD Kort MP3 Lyd Modul For PIC Arduino WTV020-SD-16P
WTV020-SD-16P er en ypperlig modul for å implementere lyd i elektronikk-prosjekter. Modulen kan brukes med/ uten Arduino.
Description: The WTV020SD is a small, simple IC for embedding audio-playback into your project. These devices are
commonly used in children's toys and "talking" retail displays. This breakout board allows you to access the functionality of the WTV020SD to give a voice to your project.
The breakout board includes a micro-SD card slot. Simply load your AD4 format audio files onto a micro-SD card and plug it in, power up the module and trigger the playback.
Playback can be triggered in either key or serial mode. The key-mode provides a stand alone operation where a host micro is not required.
The serial-mode provides a simple, 2-wire interface to any micro-controller via its DATA and CLK lines. Audio operations such as PLAY, PAUSE, STOP and VOLUME control functions are all available to the host micro via simple serial commands.
The audio compression used in this module is a little strange (4-bit ADPCM @ 6-32kHz) so you'll need to download the utility in the documents below in order to convert your *.WAV and *.MP3 files into the 4-bit ADPCM (*.AD4) format required.
Two operation modes:
Serial Mode: Supports a 2-Wire (Data, Clock) interface to any micro-controller.
Key Mode: Supports a simple stand alone operation without a host micro.
- Differential 2 line PWM output for direct speaker connection (8 Ohm/0.5W). Dedicated 16-bit DAC/PWM audio output to use with an external amplifier.
- On-board micro-SD memory card adaptor for storing of audio, voice and music files (up to 512 files).
- Supports 2Gig micro-SD memory cards (FAT format). BuildCircuit-Minibread has tested with 2GB microSD card only and it works well. We do not guarantee that the module works with 1GB or other microSD cards.
- Low Power Idle current of 8.0uA.