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.eslintrc.json
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README.md
README.md
 
 
ibm-credentials.sample.env
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package-lock.json
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package.json
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stt.js
stt.js
 
 

README.md

Speech to Text

Control TJBot's LED with your voice!

This recipe uses the Speech to Text service to let you control the color of TJBot's LED with your voice. For example, if you say "turn the light green," TJBot will change the color of the LED to green.

Hardware

This recipe requires a TJBot with a microphone and a Neopixel LED.

💡 If you have a Common Anode LED, change TJBot.HARDWARE.LED_NEOPIXEL to TJBot.HARDWARE.LED_COMMON_ANODE in stt.js

📌 By default, TJBot expects Neopixel LEDs to be connected to GPIO PIN 18 and Common Anode LEDs to be connected to GPIO pins 19 (red), 13 (green), and 12 (blue). You may set which pins your LED is connected to by uncommenting the tjConfig.shine = {...} code block. See https://pinout.xyz for a complete pin diagram.

Build and Run

First, make sure you have configured your Raspberry Pi for TJBot by following the bootstrap instructions.

Next, go to the recipes/speech_to_text folder and install the dependencies.

$ cd tjbot/recipes/speech_to_text
$ npm install

Create an instance of the Speech to Text service and download the authentication credentials file. Ensure this file is named ibm-credentials.env and place it in the tjbot/recipes/speech_to_text folder.

Run!

$ sudo node stt.js

Note the sudo command. Root user access is required to run TJBot recipes.

Now, speak into TJBot's microphone to change the color of the LED. Say "turn the light blue" to change the light to blue or "turn the light purple" to change it to purle. You can try other colors as well, such as yellow, green, orange, purple, magenta, red, blue, aqua, and white. You can also say "turn the light on" or "turn the light off".

Customize

We have hidden a disco party for you. Find the code for disco party in stt.js and uncomment the code (hint: there are two places that need to be uncommented). Now you can ask TJ to show you the disco lights by saying "Let's have a disco party"!

Troubleshoot

If you are having difficulties in making this recipe work, please see the troubleshooting guide.

Watson Services

License

This project is licensed under Apache 2.0. Full license text is available in LICENSE.

Contributing

See CONTRIBUTING.md.