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Metro Access Activity
In this lab, you will build a fully functioning metro turnstile that scans a rider’s Metro Card, stores the card holder’s metro account information, and then opens the turnstile to allow entry.
In this lab, you will build a fully functioning metro turnstile that scans a rider’s Metro Card, stores the card holder’s metro account information, and then opens the turnstile to allow entry.
Assembling the Robot
Assembling the Robot
In this section, you will assemble the Hummingbird Robot utilizing three light sensors to simulate a MetroCard reader and two servos to operate a turnstile gate allowing riders access to the train platform.
In this section, you will assemble the Hummingbird Robot utilizing three light sensors to simulate a MetroCard reader and two servos to operate a turnstile gate allowing riders access to the train platform.
Vocabulary
Vocabulary
Click each word to view the definition.
Light Sensor
Light Sensor
A Light Sensor responds to the intensity of light level with an increasing signal voltage. The Light Sensor can be used to make a decision based on a set threshold between 0 and 100. 0 refers to no light (dark) and 100 refers to very bright light.
Position Servo
Position Servo
A Position Servo will turn to a specific angle from 0 to 180 degrees and could be used to open and close a door. A Rotation Servo will rotate continuously and could be used to spin the blades of a fan.
Simulating Metro Card Scan
Simulating Metro Card Scan
In this section, you will develop code that will simulate a MetroCard scan using light sensors and punched index cards.
In this section, you will develop code that will simulate a MetroCard scan using light sensors and punched index cards.
Validating the Metro Card
Validating the Metro Card
In this section, you will create a list of riders using the Contact List you have already created, assign an expiration date to each metro card, and develop code that checks whether or not the metro card is valid and has not expired.
In this section, you will create a list of riders using the Contact List you have already created, assign an expiration date to each metro card, and develop code that checks whether or not the metro card is valid and has not expired.
Vocabulary
Vocabulary
Click each word to view the definition.
Bluetooth
Bluetooth
Bluetooth is a standard wireless technology that is used to exchange data between one or more devices.
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