[sdiy] Improving LED response when driven from half-wave rectifier

[Andre Majorel]

On 2012-09-06 05:51 +1000, Stewart Pye wrote:

> You could use a bicolour LED so It's red when +ve and green
> when -ve.

Or blue when negative, so as not to perplex the colour blind.
(Easy for me to remember, I use red wire for +15 V and blue for
-15 V.)

Not that I've ever seen any red/blue bicolour LED, mind you...

-- 
André Majorel http://www.teaser.fr/~amajorel/