With 25$ they are not the cheapest thing but man they look very cool.
it's a PIC that is controlled via a 2400 or 9600 baud RS232 (ttl level) interface.
it has a 16khz sound output and can to text to speech with 6 Independently Controlled Voices. It can also do Amp, Freq, Ring Modulation. And Musical Notes and Sound Morphing and much more.
http://oopic.com/soundgin/
it's a PIC that is controlled via a 2400 or 9600 baud RS232 (ttl level) interface.
it has a 16khz sound output and can to text to speech with 6 Independently Controlled Voices. It can also do Amp, Freq, Ring Modulation. And Musical Notes and Sound Morphing and much more.
http://oopic.com/soundgin/