Jan, you should set up the Kelvin-nuts group.-
cheers,
Neville Michie
On 03/02/2014, at 8:52 PM, Jan Fredriksson wrote:
> Maybe I should not be posting this on the VN list, as it is only indirectly
> related to volts.
>
> Still; I have been getting some messages and feedb
metals on the board that
have been dissolved. So judicious use of a weak acid, like acetic acid, may be
necessary to dissolve these deposits.
After that plenty of demineralised water and a long drying period in front of a
fan.
cheers,
Neville Michie
, you simply decrease the dependence on air temperature
and increase radiation and conduction problems.
cheers,
Neville Michie
> On 17 Mar 2016, at 6:19 am, Joseph Gray wrote:
>
> I want to setup an experiment where I log both voltage and
> temperature. I will be using DS18S20 sens
the response of the junction to a persistent thermal
gradient, but this is hard to maintain over the distance of solder thickness.
cheers,
Neville Michie
> On 9 Jul 2016, at 8:56 am, Herbert Poetzl wrote:
>
> On Wed, Jul 06, 2016 at 08:53:19PM +0200, Andrea Baldoni wrote:
>> On We
LD50 is not the only consideration. From Wikipedia:
"The International Agency for Research on Cancer has classified cadmium and
cadmium compounds as carcinogenic to humans."
FWIW
Neville Michie
> On 29 Oct 2016, at 8:09 AM, NeonJohn wrote:
>
> Let's don't
pyroelectric, when heated they
become charged on
oposite faces forming an electret.
cheers, Neville Michie
> On 16 Mar 2018, at 23:52, Dr. David Kirkby
> wrote:
>
> On 6 March 2018 at 09:40, Dr. David Kirkby
> wrote:
>
>> Sorry this is not precision voltage measurement,
Improvise by holding a metal disk over an electronic balance and measuring the
force of attraction.
Calibrate it with a lower known voltage.
cheers,
Neville Michie
> On 23 Mar 2018, at 12:58, Dr. David Kirkby
> wrote:
>
> On 23 March 2018 at 01:49, kc9ieq via volt-nuts wrote:
>