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Dennis@home

On 22/07/2019 22:46, wrote:
On Monday, 22 July 2019 19:58:20 UTC+1, Harry Bloomfield wrote:
Harry Bloomfield formulated on Monday :
14:00 5.01v
14:20 4.83v

19:55 4.45v

Its looking very promising.

If that's from 5v, somewhere in the region of 80 minutes then

Most of that drop will be from the few seconds the meter is connected
unless its a very high input impedance. It won't be.