[Milsurplus] GRC-9 rec dial light

[Tom B]

Have a look at this one.
http://www.instructables.com/id/Joule-Thief-circuit-in-a-Flashlight-Bulb-Yes/

It runs on 1.5V with no problem.

Tom


> Actually LEDs will work just fine on 1.5V, in fact without a current
> limiter they will burnout if you just put the directly across a 1.5
> battery.  HP also makes some low voltage/current LEDs if you can find
> them.
>
> John. WD5ENU
>
> Sent from my iPad
>
> On Jan 30, 2014, at 18:50, "Meir WF2U" <wf2u at ws19ops.com> wrote:
>
>> I didn't look at the GRC-9 manual when I posted about the bulbs, so I
>> was
>> unaware that the bulb is on the 1.4 V receiver filament bus. In this
>> case of
>> course, there is nothing of the sort in the LED department...
>>
>> Meir