Introduction: Building an Infrared Sensor

Here is how to build and Infrared Sensor using the QRD1114 

Step 1: Parts Needed


One of : QRD1114  Light Sensor
http://www.hvwtech.com/products_view.asp?ProductID=97

One of : 220 Ohm Resistor

One of : 10 K Ohm Resistor

One of : 3 Wire Cable

Step 2: How It Works


Step 3: Building the Infrared Sensor

Step 4:

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