Digital Interface: 5V TTL level for UART interface and GPIO.
Analog Interface: 3.5mm mono-channel microphone connector + microphone pin interface.
Size: 31mm * 50mm.
Recognition accuracy: 99% (under ideal environment).
Support maximum 80 voice commands, with each voice 1500ms (one or two words speaking).
Maximum 7 voice commands effective at same time.
Arduino library is supplied.
Easy Control: UART/GPIO.
User-control General Pin Output.
Other Arduino tools are also available on our website with delivery to any city in Pakistan.