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Old 28th Dec 2022, 12:30 pm   #10
60 oldjohn
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Join Date: Dec 2004
Location: East Yorkshire, UK.
Posts: 3,962
Default Re: Bench magnifier led lamp conversion

Quote:
Originally Posted by Tim View Post
Hi.


Don’t LED’s need a constant current?
That is my understanding. The LED board in the above link shows 85v AC -265v with output 40v - 80v DC @ 220ma. There may be a settable current chip in the control box.

John.
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