Raspberry Pi 2: Create a security alarm - - Unit 1 - Set up the Hardware

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Unit 1 - Set up the Hardware

1—Learn About a PIR Motion Sensor

2—Connect the PIR Sensor to a Raspberry Pi

3—Checkpoint!

Unit 2 - Code an alarm

Checkpoint!

1 point

What does PIR stand for?

Passive Invisible Receiver

Passable Infrared

Passive Infrared
1 point

Which pin on the PIR should the 5V power be connected to?

VCC

GND

OUT
1 point

Which pin sends voltage back to the Raspberry Pi when motion is detected by the PIR?

VCC

GND

OUT

Adapted from this worksheet by Raspberry Pi Foundation: https://www.raspberrypi.org/learning/parent-detector/worksheet/

Additional material and code examples by Craig Steele.