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From: liz@poppyrecords.invalid.invalid (Liz Tuddenham)
Newsgroups: sci.electronics.repair
Subject: Re: Voltage halver.
Date: Wed, 3 Apr 2024 21:29:19 +0100
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<peter@easthope.ca> wrote:

> A variable power adapter is required to drive a 6 V, 30 W incandescent
> bulb in a microscope.
> 
> Similar to the 3-12 V 5 A adapter here.
> https://www.ebay.ca/itm/305207182573
> An adapter providing 1.5-6 V output would be better but I haven't 
> found one.
> 
> Rather than limit the adjustment to 6 V, I think of halving the 
> output.  An integrated circuit in a 4 port package is conceivable.
> https://www.youtube.com/watch?v=VJfqBQ2ybpk
> 
> Does the marketplace offer a solution?
> Another idea?

A 6v transformer and an adjustable resistor made from an old electric
fire bar and two jubilee clips?


-- 
~ Liz Tuddenham ~
(Remove the ".invalid"s and add ".co.uk" to reply)
www.poppyrecords.co.uk