V-Stamp

V-Stamp is a speech synthesizer module designed for use by individuals who are blind or have low vision or who have speech disabilities. Functions of this self-contained voice/sound synthesizer and recorder include text-to-speech conversion, audio recording and playback, musical and sinusoidal tone generation, telephone tone dialer, and four-channel A/D converter. It can be used to provide voice output for optical character recognition, email, vending and ticketing machines, automatic teller machines (ATMs), GPS navigation systems, dial-up information systems, and talking devices. It has an async serial (TTL) port with a 8-kilobyte (KB) buffer, and mates with two standard, 12-pin PC board connectors. Separate power pins are provided for the onboard digital and audio subsystems, allowing for several possible output power and power consumption combinations. POWER: Uses 3.3 or 5 volts. DIMENSIONS (LxW): 1.25 x 1.35 inches.