Function of the Module

• Please refer to Pyroelectric Infrared Sensor
• As a digital input sensor, it can only detect "0" and "1", that is "Yes" and "No".
• It'll last about 4s after detecting human body.

Overview

To use pyroelectric infrared sensor to detect if there is person moved and check data in the serial monitor.

Bill of Material

• Module

• Other Hardware Equipment

Hardware Buildup

• Setup 1：Connect the PIR sensor with the pin 6 port of the Hub. Accessible Hub pins: 0，2，4，6，8，10 and 12.

• Setup 2：Connect the CoreUSB, Hub and the Sound sensor to the computer with a USB cable.

[file:mCookie-pir-pc.JPG|600px|center]]

Mixly Programming

• Step1：Since using serial monitor, we need to find "Serial Communication" from "Communication" item.

• Step2："Serial Communication" description.

• Step3：PIR sensor is an input device and the returned data is digital quantity, based on which we can find and drag out the digital input and output from "Input/Output".

• "Analog Input" description.

• Overall code description.

Debugging

• Step1：Select the right board card(Core USB 32U4) and COM port(Recognized automatically by default).

• Step2：Open the serial monitor.

• Step3：Check if the serial baud rate is the same with the pre-set one.

• Step4：Check the data: When there is human around it, the data is "1" and the status will keep about 4s.