Price: $29.98
(as of Sep 11, 2024 05:41:25 UTC – Details)

A+
Voice Recognition Module V3: Users need to train the module first before let it recognizing any voice command
Voltage: 4.5-5.5V
On V3, voice commands are stored in one large group like a library. Any 7 voice commands in the library could be imported into recognizer. It means 7 commands are effective at the same time
This board has 2 controlling ways: Serial Port (full function), General Input Pins (part of function). General Output Pins on the board could generate several kinds of waves while corresponding voice command was recognized
Digital Interface: 5V TTL level for UART interface and GPIO. Analog Interface: 3.5mm mono-channel microphone connector + microphone pin interface