procurement people said AS7262 was not available at that time, so they chose AS7341, LM3 is utilizing machine learning, so it’s basically a statistical model running, when you encounter a spectrum that’s not conforming to the statistical distribution, it’s doomed. ML does not apply to AS7341 quite well, because the chip is not consistent with the first 2 or 3 channels.
I saw a new proposal that is combining 3 chips together, all inexpensive, but could deliver more precise measurements. I saw it’s available on a local e-shop site, PCB board with 3 chips forming a triangle shape.
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if multiple chips combined, and multiple algorithms utilized, perhaps it’s far more better.
Opple now focuses on it’s SDL products mainly, claiming CCT from 1800~30,000, along the black body curve, all CCT values with higher Ra and wanted duv effects.
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Is the Opple Light Master device no longer being produced at all? This is very disappointing. I use it to measure flashlight light output, but more importantly to me and many others, I use it to measure PWM flicker for screens like iPhones, computer monitors, TVs, and so forth. There is an entire subreddit called PWM_Sensitive which heavily relies on this device.
Not sure. They might be working on products similar to the Light Master.