Could be -- or you simply touch it with non-insulated hand, and it uses
your body to transmit a signal to the thumb light that it should stay
off.  To turn it back on, you touch it on awakening.

That does leave the problem of enabling it later if you forget. Not a
problem, just touch the one at your ship station to enable.

Twice the sales. 2 @ Cr1, ka-ching. ;-)

Alan

On 12/05/2023 14:45, Jeffrey Schwartz - schwartz.jeffrey at gmail.com
(via tml list) wrote:
> Oh, sort of like a little "beacon" you put on your nightstand, and
> when it's switched on a linked  thumblight within range of the beacon
> won't light?
> So you can flip the switch off if you get up in the middle of the
> night, and if you walk more than 2 meters from the nightstand, then
> the thumblight works again
>
> On Fri, May 12, 2023 at 8:51 AM Alan Peery - Alan.Peery at
> tractare.co.uk (via tml list) <xxxxxx@simplelists.com> wrote:
>> Additional modes available via local settings by console, and you can
>> order a "bedside toggle" to insure that you don't accidentally disrupt
>> your sleeping hours with unintentional lighting.  The toggles are milked
>> for extra profit, and run cr1 for each toggle.
>>
>> Alan
>>
>> On 05/05/2023 09:06, Jeffrey Schwartz - schwartz.jeffrey at gmail.com
>> (via tml list) wrote:
>>> Thumb lights (TL10, cr1 for a package of 10)
>>> These are 0.5mm thick, 4mm x 4mm transparent plastic with one side
>>> covered in sticky substance. They come on a sheet of plastic that lets
>>> you peel them off one at a time as desired. Each one has a small
>>> battery, a pressure switch, a small microcontroller with a Bluetooth
>>> style radio and an array of microscopic LED lights.
>>>
>>> Normal usage is to stick one to your thumb nail. Pressing on the
>>> thumbnail activates different modes
>>>
>>> Mode setup and what pattern of presses selects the mode are done with
>>> a hand computer app.
>>>
>>> The default mode selection is a long press to turn on or off, and taps
>>> to go to the next mode
>>>
>>> Modes are set up as color, intensity, blink pattern. For example, the
>>> default options are;
>>> White, 100% bright, always on
>>> White, 50% bright, always on
>>> Red, 50% bright, always on (save night vision)
>>> Red, white, 100% bright, alternating colors every 0.25 seconds
>>> Red, 100% bright, SOS in Morse Code followed by GK in Vilani version
>>> of Morse
>>>
>>> The devices have enough power for 8 hours at full bright, with
>>> corresponding increases in battery life if the mode uses fewer LEDs or
>>> is at lower intensity. The red/50% mode (the longest running default
>>> option)  stretches to about 33 hours
>>> When the battery dies, a chemical is released that causes the sticky
>>> to fail, and it easily peels off the thumbnail
>>>
>>>
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