- Voice Recognition Module V3.1 is compatible with Arduino.
- Supply Voltage: 4.5 – 5.5 V.
- Current : <40 mA.
- Digital Interface : 5V TTL level for UART interface and GPIO.
- Supports maximum 80 voice commands, with each voice 1500ms (one or two words speaking).
- Maximum 7 voice commands effective at same time.
- User-control General Pin Output.
- Any sound could be trained as the command. Users need to train the module first before it recognizes any voice command.