OT: AC/DC adaptors

[Josef Lowder]

Eric Cope wrote:
> Make sure they are AC/DC adapters. Some are AC/AC adapters. Also make
> sure the plug is properly polarized. Some plugs the inside is (+) and the
> outside is (-), some are switched. Make sure the current rating (mA or A)
> is greater than what you need. Make sure the voltage is the same.

Thanks to all who responded. Especially thanks for the heads-up re polarity.
I did have to reverse the wires on the adaptor I had as the polarity
was reversed,
but once I did that, the result works fine.

Joe