The module features an onboard IR transmitter (a clear IR LED) that continuously emits a beam of infrared light.
This program uses the FC-51 as a touchless button, toggling the onboard LED each time an object passes in front of the sensor. Fc 51 Ir Sensor Datasheet
The use of an IR LED pair allows the sensor to perform well under moderate ambient light conditions. The module features an onboard IR transmitter (a
delay(50);
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I’m Ellen. I’m the primary author behind Artsy Pretty Colors and the DIY site Artsy Pretty Plants. After having to engineer so many DIY and crafts projects for Artsy Pretty Plants, I realized, more than ever, how important it was to have a good foundation for drawing. Every project starts with a piece of paper and a pencil. And even though I have a formal degree in Fine Arts, most of my drawing skills come from practice. Thus Artsy Pretty Colors was born. I’m here to help you or your kids learn to use their creative minds to develop their artistic talents.