Move servo motor by voice recognition

Make things

Control a flag waver using speech recognition.
If you say “Tadaima” (“I’m home” in Japanese), the flag with the word “Welcome back” moves.

Materials

• obniz Board*
• Servo motor*

*included in Starter Kit

How to make

Hardware connection

Connect the servo motor to the obniz Borad referencing to the library of servo motor.

Software

Uses the browser’s speech recognition API called Web Speech API.
Check the browser compatibility here.

recognition.onresult is executed when you finished speaking the word.

If the obniz recognizes the word as “Tadaima,” it moves the servo motor to wave the flag.

Program