Learn how to set off an alarm when an object breaches a set perimeter.
In this mission, you will help Piperbot and Pip detect when an object breaches a set perimeter using the Distance Sensor and sound an alarm. Ask students: “What do you think home security systems use as the sensor? What about smart doorbells?”
View student interface at make.playpiper.com
Computer with USB port and Chrome or Edge browser
Piper Make Base Station
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Circuit A conductive path for the flow of current or electricity.
Power The current or flow of electric charge and voltage.
Microcontroller An integrated circuit containing a microprocessor with memory and associated circuits.
Variables A value that can change depending on conditions or information passed to the program. A storage location with a symbolic name used to keep track of a value that can change while a program is running (similar concept to using X and Y in an algebraic equation). Variables are not only numbers; they can also hold text, including whole sentences (strings) or logical values (true or false).
Input Device A hardware device that sends data to a computer, allowing interaction and control.
Output Device A piece of hardware that converts information into a form humans can sense and understand.
