Upgrading a Dirt- Cheap Spectrometer
34:58
A Small, Cheap Micro-Spectrometer - Review [Pt 2]
13:55
Home-made spectrometer (new approach)
32:38
TINY Flame Detector Tubes | HOW do they work?
30:16
Cheap Spectrometers are really Damn Useful.
18:51
Homemade X-Ray Spectrometer | XRF - Compton Experiments
48:53
I Tried To Make Something In America (The Smarter Scrubber Experiment) - Smarter Every Day 308
16:50
DIY IR Chroma-Key Camera. a FIRST on YouTube
11:44