Category: Photoeyes

Today’s post concerns how sensor choices are made in real applications. I have written various posts on sensors in the past, and even participated in a Control Engineering webcast and forum last year on the topic. While I have covered …

Application: Sensor Choices 103 Read More »

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Today’s post is inspired by an ongoing adventure I have been having in the design and fabrication of My Little Factory. For those who haven’t been following my post since the beginning of this year, a great deal of my …

Are Things too Complicated? Read More »

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One of my first projects when I was in engineering school was to make a coin counter that would detect the size of various coins as they rolled down a ramp and total up the denominations. The circuitry was fairly …

Anatomy of a Photoeye Read More »

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Some basic info on photoeyes from the Primer: Photoelectric sensors or Photoeyes transmit and receive a light signal. The sensor changes state when the light changes from being received to not being received or vice-versa. There are two conditions for …

Photoeyes Read More »

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