tag:blogger.com,1999:blog-143925273655347334.post1932757062543934232..comments2024-03-18T07:32:18.720+00:00Comments on drsolly: Lightsdrsollyhttp://www.blogger.com/profile/15954188290191548178noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-143925273655347334.post-66318348326791877162014-05-25T06:50:13.875+01:002014-05-25T06:50:13.875+01:00Rather than fixing the voltage, you could just use...Rather than fixing the voltage, you could just use a constant current supply.<br /><br />You can buy them for about 4 quid on eBay.<br /><br />If there's a fixed voltage across the LED, and the temperature of the LED changes I'd expect the current to also change. I've not done the maths or the experiment though.<br /><br />M.Martin's Bloghttps://www.blogger.com/profile/04525596605474643390noreply@blogger.com