| Hemisson Text-To-Speech Module Specification | |
| Elements | Technical Information |
| Text-To-Speech Component | Devantech SP03 Synthesizer |
| Synthesizer | Winbond WTS701EM/T |
| External Interfaces | RS232 to PC at 38400 baud |
| Speaker |
Diameter: 40mm Amplifier: 325mW |
| Text-To-Speech |
Pre-stored: 30 phrases with up to 1925 total characters On-the-fly: unlimited through I²C or RS232 interfaces Controls: volume gain (limited), voice pitch, voice speed |
| I²C |
Write Address: 0xC4 Read Address: 0xC5 |
| Electrical |
Voltage: 5V Current: 35mA standby, 60-100mA speaking |