Process

Step1: Define basic logic

Step2: Get familiar with the FSR sensor

Step3: Record sleep start and end status

Detect sleep start and end status, and publish the events to the Particle Cloud.

Step4: Sleep data persistence

Since the data on Particle console is temporary, I decided to transfer sleep data from Particle to Google Cloud to make it long-term. I referred to tutorials in Particle docs (https://docs.particle.io/tutorials/integrations/google-cloud-platform/) and here are my main steps:

1. Add Google Cloud Platform integration on Particle console.
   
2. Transfer data from Particle to Google Cloud Pub/Sub.
3. Store data from Pub/Sub in Google Cloud Datastore.

Step5: Use IFTTT to tell the pillow when to buzz

1. Create a new applet on IFTTT with two services: Data&Time and Particle.
   
2. Wire the buzzer to the circuit.
3. Define and register a function called "alarm" to Particle Cloud so that IFTTT can call it directly.

Step6: Play the music!

I referred to a tutorial on Arduino (https://www.arduino.cc/en/Tutorial/ToneMelody) to learn how to code music for the buzzer.