It's not just brightness however. A flashing light is generally more visible/noticable than a steady one. I don't know what frequency this takes effect. Probably <20Hz I would imagine. RP On 9 February 2010 09:41, Dario Greggio wrote: > M. Adam Davis ha scritto: >> On Mon, Feb 8, 2010 at 4:16 PM, Chris McSweeny wrote: >>> for a given mean current any LED will appear brighter if that current is constant rather than PWM. >> >> So it sounds like all those people who are pulsing their LEDs for >> increased brightness at a given power input are doing so for no >> reason? > > Well, IMO you can achieve "brighter/stronger pulses of light", useful > for instance in remote controls. But the average light would be almost > the same, and actually I don't remember using "overdrive" (let's call it > so) in other uses... > > > -- > > Ciao, Dario > -- > Cyberdyne > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist