Voice Recognition Module is a compact and easy to use speech recognition board that can be easily interface easily with Arduino. This product is a speaker dependent voice recognition module. It supports up to 80 voice commands in all. Max 7 voice commands could work at the same time. Any sound could be trained as command. Users need to train the module first before let it recognizing any voice command.

The Voice Recognition Module allows you to control your device using just your voice.

Datasheet::

• Technical Datasheet

Parameter:

• Voltage: 4.5-5.5V
• Current: <40mA
• Digital Interface: 5V TTL level for UART interface and GPIO
• Analog Interface: 3.5mm mono-channel microphone connector + microphone pin interface
• Size: 31mm x 50mm
• Recognition accuracy: 99% (under ideal environment)

Feature:

• Support maximum 80 voice commands, with each voice 1500ms (one or two words speaking)
  Maximum 7 voice commands effective at same time
• Easy Control: UART/GPIO
• User-control General Pin Output
• Recognizer — a container where acting voice commands (max 7) were loaded. It is core part of
  voice recognition module. For example, it works like “playing balls”. You have 80 players in your
  team. But you could not let them all play on the court together. The rule only allows 7 players
  playing on the court. Here the Recognizer is the list which contains names of players working on
  the court.
• Recognizer index — max 7 voice commands could be supported in the recognizer. The
  recognizer has 7 regions for each voice command. One index corresponds to one region: 0~6
• Train — the process of recording your voice commands
• Load — copy trained voice to recognizer
• Voice Command Record — the trained voice command store in flash, number from 0 to 79
• Signature — text comment for record
• Group — help to manage records, each group 7 records. System group and user group are
  supported.

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