- How does an RGB LED differ from a regular LED?
A. The RGB LED is basically three LEDs (red, green, blue) in one unit.
- True/false? The Blue Dot app is found in the Google Play store.
A. True
- What is a common anode?
A. Some RGB LEDs have a common positive pin (+), and, .s such, are referred to as having a common anode
- True/false? The three colors inside the RGB LED are red, green and yellow.
A. False
- How do you pair the Blue Dot application with the Raspberry Pi?
A. By using Make Discoverable from the Bluetooth drop-down menu
- True/false? Bluetooth is a communication technology built for extremely long distances.
A. False
- What is the difference between DoorbellAlarm and DoorbellAlarmAdvanced?
A. The class property delay used to change the delay time between buzzer rings.
- True/false? The GPIO Zero library contains a class named RGBLED.
A. True
- True/false? The Blue Dot app may be used to record swipe gestures.
A. True
- What is the difference between the SimpleDoorbell and SecretDoorbell classes?
A. SecretDoorbell takes advantage of the swiping gestures in the Blue Dot app.