You were trying to dim milliwatt devices with a rheostat sized for watt devices. To do so would have required a rheostat with an order of magnitude higher resistance. Rheostat dimmers are inefficient, but they work just fine with LEDs if properly sized. Yrs, d On Mon, Jul 31, 2017 at 5:40 PM, Alistair Bell <albell@shaw.ca> wrote: > Haven't found your basic led to dim very well david. Back in the day I > made up led and resistor combo and fitted into the bulb holders for the > dash lights. It dimmed to a certain point ( via headlight switch dimmer) > then off. Not the same dimming as the incandescent. > |
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