[OpenTRV-dev] Radio Conundrum

Adrian Godwin artgodwin at gmail.com
Tue Aug 9 14:53:36 BST 2016

The BBC micro:bit contains a bluetooth radio, is cheap and open, and CE
approved. It might be regarded as a plug-in addition since it's complete
and functional (though uncased) in its own right.

Note that the valve still requires CE certification even without the radio,
because of the CE certification requirements generally on devices that
don't intentionally transmit.

On Tue, Aug 9, 2016 at 2:42 PM, Kevin Wood <kevin at the-wood-family.com>

> > It is expected that the vast majority will run this product version
> > without radio.
> I suppose, if there is provision to "plug in" a radio module, the CE
> declaration is made much simpler. If the radio module is available to end
> users and they plug it in, technically, they've probably voided the CE
> approval of their product, but then again, who gets their PC re-tested
> every time they install some new RAM.
> I have a friend who runs a small business who have been through CE
> approval a product that was essentially a zigbee node. I'll drop him a
> mail.
> Kevin
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