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Hello, I finally managed to have a first look at those neat devices and do some measurements, thanks David for sending a couple. Now the first thing was to kill the red diode of one device. I like to replace it, but it is totally unclear whether it is practically feasible, given the ultra-precise bu...

Hello, I just realized that the old forum has been revived. My old nick was wler but I couldn't reacivate the account, hence the new name. I had paused my hobby for a couple of years but intend to get back to it soon, mostly developing SLM lasers etc. I got reinterested in tis when I heard about the...