Thanks Alan. Using  an energy harvesting IC is a great idea. I believe Line=
ar has some as well I could look at.
Jim

On July 28, 2017 3:59:38 AM EDT, alan.b.pearce@stfc.ac.uk wrote:
>> Have you considered a coil and magnet instead ? I've seen creations
>using a
>> relay coil (many turns of fine wire) and a neodymium magnet passing
>it or
>> flipping near it as a magneto/dynamo
>>=20
>> Joe
>
>I would suggest trying Joe's suggestion, and use one of the energy
>harvesting ICs that are around these days. Microchip have some energy
>harvesting chips, but I haven't investigated them, so can't comment on
>how well they would work.
>
>
>
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