IMO it goes against what I think Instructables is all about.īart416: I am encouraged by your offer to communicate. there should be no electronics projects on Instructables without schematics. I guess to get on topic, I like the layout of the table. So there should be enough there to build something, more or less, like the original. p Also, EMS has said that the trigger for the system is a SFH203FA photodiode. I have a couple of things whipped up in Eagle, but I haven't tested anything yet so I don't want to post something that could damage parts because I missed a wire somewhere. If you want to build it and test it out (if you beat me to it), please post of a better version of the schematic you're using. If it doesn't work exactly like the original, then there is NOTHING stopping you from posting the schematics up and ACTUALLY making the thing open. I know it doesn't work exactly like the original, and as far as I'm concerned, that's a good thing. There is a thread on a Polish electronics forum where someone (ostry_18) has made a demo (with schematic) that works pretty much the same: I'm not really sure what's going on there at the output end, and I haven't gotten around to building anything yet to try it out. I do know that it's "heart" is an LM324 quad-op amp. I'd quickly change that "open source" part around real fast. At least the tables USED to be DIY, but now they sell them pre-built? If I had the money to get one of their sections. these LED sections (and most of their products) are neither. That's been my beef with EMS for a while now.
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