Speech Recognition Module
- Working voltage: 3.3/5V
- Local Voice Recognition
- Very low rate of false triggering
- Speaker connector(JST2.0, the speaker is not included)
- Built-in microphone
- 22 recognition entry
- Default Baud rate: 9600
- Flash: 2Mbytes
- Microphone Sensitivity: -40dB
- Microphone SNR: 58dB
- Operating temperature: 0 – 85 degrees C