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The STELLA-Q2 takes measurements in 18 bands across a wavelength range of 410 – 940 nm. It does not require 3D printing or soldering to build.
![STELLA-Q2 front STELLA-Q2 front](https://landsat.gsfc.nasa.gov/wp-content/uploads/elementor/thumbs/front-qh5mxdzi9w97cex7v7aqultxm902ielwlv7jn0nvxu.jpeg)
Build Your Own STELLA-Q2
The Q2 has 18 spectral bands ranging from 410nm to 940nm. It features one button for turning recording on and off.
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