Dunno if DataTag works:
http://www.datatag.co.uk
But Southwark Council gave out SmartWater kits:
http://www.smartwater.com
which are apparently recognised by the Met Bizzies.
Bit more hitec than a note in the bars, but prob not NJS certified.
@kowalski started
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Dunno if DataTag works:
http://www.datatag.co.uk
But Southwark Council gave out SmartWater kits:
http://www.smartwater.com
which are apparently recognised by the Met Bizzies.
Bit more hitec than a note in the bars, but prob not NJS certified.