Measurement – Page 3 – Reef Success

8 Sep 20169 Feb 2018therealmattcarroll

Online Triangle Calculator

This is a triangle calculator. Specifically, this is the open source triangle-calculator provided here: https://ostermiller.org/calc/triangle.html Since an LED emits light roughly in the shape of a cone, we can use triangle math to predict the amount of area an LED in a particular installation will light up. After the calculator has any three parts (not only […]

7 Sep 2016therealmattcarroll

Spectrometer

This is my Project STAR spectrometer. It was very inexpensive. I use it for examining the color of different lights inside and outside. (Don’t look directly at the sun through this device – or anything else!) It works by taking in light via the small opening at the upper-right. The light bounces off the diffraction […]