On Sun, 21 Jul 2019 16:29:48 +0100, Harry Bloomfield wrote:

Would the cap do the job? Anyone any experience of using them?

The R/C constant for voltage decay doesn't magically change just because
you're using "supercapacitors" - just do the math as usual and work it
out for yourself as if you were using common-or-garden electrolytics.



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