Lab: Diode Temperature Dependence
In this lab, we’ll build a simple temperature sensor using a diode and a multimeter. Yep, that’s all there is to it, really. What’s nice about using diodes as temperature …
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Lab: Measuring LED Forward Voltage
LEDs (Light-Emitting Diodes) light up our modern world. Everything from status indicators, to displays, and even…well, lighting, uses LEDs of all colors, shapes, and sizes. As we’ve explored in a …
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Lab: DIY Capacitors
Capacitors are electronic components that can store and release electric charge. Because of this property, they find an incredibly diverse range of applications in electronics, from regulating the speed of …
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Lab: Measuring Thin Objects With Lasers
In this experiment, we will demonstrate the wave properties of light and its interactions with small obstacles placed in its path. We can estimate the width of this obstacle by …
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The Colorful World of Dichroic Cubes
One of my favorite optical devices is the dichroic cube. At first glance, it might look like an ordinary chunk of glass, but it’s got a few optical tricks up …
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