This is a pretty cool Voice/Speech Play back module. I bought it for digital counter and clock project.
We can send the address via serially to the module and play the file what we want to. Really large space to store mp3 files.
◎ Support MP3 format files.
◎ Support SD card, 1GB max.
◎ Change voice in SD card easily by PC.
◎ Serial communication
◎ Stereo high quality.
◎ 5V DC
◎ Dimension: 41mm X 39mm