[chbot] daft chocolate fish contest

[Geoff]

I'm sure you could electrically isolate the body and lid (gasket material
around the lock flange), ground one, signal for the other. You could drop
the battery power if you could also isolate the center of the safety valve
or vent and run power in there as well, or just have common ground and run
the raw sensor signals out. (Only two sensors specified).
Probably cooker-model dependant though.

Geoff
On 21/10/2014 11:41 AM, "Mark Atherton" <markaren1 at xtra.co.nz> wrote:

> Yup, Morse would work, since it is machine readable.
>
> No holes allowed.
>
> Yes, it appears that our pressure cooker is magnetic - bugger. I was
> planning on a magnetic coupling loop running at 2kHz.
>
>
>
> At 10:42 a.m. 21/10/2014, hamster wrote:
>
>  Can it send back Morse code by tapping on the side?
>>
>> -... .-.. --- --- -.. -.--  .... --- -  .. -.  .... . .- .-.  .- -. -..
>> -- -.--  . .- .-. ...  .... ..- .-. -
>>
>> On 21.10.2014 10:35, Mark Atherton wrote:
>>
>>>
>>> a device that can be placed inside a pressure cooker and report back
>>> temp and pressure in real time.
>>>
>>> - inside a full farraday screen
>>> - battery powered (?)
>>> - 100+ centigrade
>>> - possibly one extra atmosphere of pressure
>>>
>>> Might be even more difficult than Jaspers gizmo :)
>>>
>>> Any thoughts ?
>>>
>>> -mark
>>>
>>> PS LF signalling might be able to penetrate stainless steel
>>>
>>>
>>>
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