When HN users recommended it
1 HN user recommended this in 2025, in one comment.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
1 HN user recommended this in 2025, in one comment.
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
I bought a little garden on aliexpress from the guy who makes it. It's very plug and play and it does about 350-1100nm, which is pretty impressive. I used it to verify how my own DIY sun reproduction setup works. https://www.aliexpress.us/item/3256807055520087.html
There is also this commercial one that is Bluetooth and more portable for around $150, similar spectrum range but lower spectrum resolution than the little garden one. https://www.youtube.com/watch?v=MOXryggwr_Q
https://www.amazon.com/Analytical-Wavelength-340-1000nm-Spec...
The hopocolor vis light ones are also fairly widespread and are more stand alone for about $280: https://www.aliexpress.us/item/3256807972511960.html
My current issue is finding a 250-400nm UV spectrometer or IR spectrometers beyond 1000nm that don't go into the $1000+ range. Standard mass market CMOS sensors don't go into those ranges, so they become far more specialized parts and thus way more pricy.