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Light Sensors: Turning a Laser Pointer into a Hi-Tech Tripwire

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Beginning FPGA: Programming Metal
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Abstract

In plain English, this simply means that the more light there is, the higher the voltage drop through the photo resistor.

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© 2017 Aiken Pang and Peter Membrey

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Pang, A., Membrey, P. (2017). Light Sensors: Turning a Laser Pointer into a Hi-Tech Tripwire. In: Beginning FPGA: Programming Metal. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4302-6248-0_12

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