May 2014
Intermediate to advanced
400 pages
8h 42m
English
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Chapter 7. Light
Because color is reflected light, sensors can detect the color of a surface. With some creatively applied tubing, the direction of light can be detected, too. And if fire is the thing for your bot, there is a sensor for flame.
Do you want to measure human movement with infrared (IR) light? See Experiment: Burglar Alarm! (Passive Infrared Sensor). Need to know if an object is nearer than a given distance, using IR? See Experiment: Detect Obstacles With Infrared (IR Distance Sensor).
Experiment: Detecting Flame (Flame ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.