Control your Keurig B60 through your Amazon Echo, using the Alexa Skills Kit and AWS IOT service. You'll create an Alexa Skills Kit (ASK) app that fires off requests to AWS Lambda. You will register a Rasberry Pi as a device in AWS IoT. The Alexa app will call a function in Lambda, which will send a request to the Pi to activate a servo, which pushes down the brew button and starts your brew.
- Create an Alexa Skills Kit (ASK) app, using the intent schema and sample utterances in this repo. Choose an invocation name like my Keurig.
- Use the code in
main.pyas your Lambda function that the ASK skill will call. Substituteamzn1.echo-sdk-ams.app.<your-alexa-skills-id>with the ID of the ASK skill you created. When you create the function, set the "Event Source" to the Alexa Skills Kit. - Modify your ASK skill with the ARN of your newly created Lambda function.
- Wire up a Raspberry Pi according to the schematic in RPiKeurig_bb.png. The servo should be glued in place underneath the plastic silver top (see Caveats), so that when it fires, it rotates to push one of the brew buttons. I use the largest button.
Test your interactions with the ASK console. When you've got it working, try it on your Echo: Alexa, ask my Keurig to brew me a cup of coffee.
- YOU WILL MOST LIKELY DAMAGE YOUR KEURIG--AND VOID YOUR WARRANTY--IF YOU DO THIS. There are YouTube videos on how to do the dismantling, but this is the hardest part. You only need access to the buttons underneath the plastic silver top that covers the LCD and buttons.
The documentation for the Alexa Skills Kit is available on the Amazon Apps and Services Developer Portal.
Here are a few direct links to Alexa and Lambda documentation:
The authors claim no responsibility for damages to your Keurig or property by use of the code within. You may incur charges using AWS Lambda, but there is a free tier available for up to 1M requests per month that you may be eligible for--check AWS Lambda Pricing for details.
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