Looking good and all suggestions are great. Availability of these components is expanding. DIY has never been better.
Looking good and all suggestions are great. Availability of these components is expanding. DIY has never been better.
Allow me some comments.
The dimmer needs some protection. I did not see any components listed to do it.
Not sure how much light power you need but I would make sure is not too much. That would make the exposure times a little harder to control if are under 2 secs.
I am aware you placed a heatsink in the back, but just to make sure, you should stress test the lamp inside the enlarger for 24 hours at full power and measure the light output of each color when cool and after 1 hour. The reason is the light output of the leds changes slightly with the temperature and is different in each color.
Feel free to reach me if you have any questions related to the electronics.
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