Chapter 9

1. The Pi is well-suited for projects that require remote data because of its onboard ability to connect to the internet via either WiFi or Ethernet.
2. The considerations that need to be taken when making regular web requests from the Pi are:
   • The size of the payload
   • How much CPU parsing the payload will take
   • Whether the data being accessed was meant to be accessed
   • WiFi requests take a lot of power for the Pi and can cause problems if the Pi doesn't have a proper power supply
3. We can chain the LCD object calls, such as LCD.clear().home() because the Johnny-Five Objects always return the instance of the Object the method was working on, so another method can be called on it.
4. We use an I2C backpack with our LCD to cut the number of needed wires and pins from 8 to 2, and eliminate the need to hook up our own potentiometer to adjust LCD contrast.
5. We would need...