As usual with things like this: a decent client library that's at least somewhat up-to-date (official or no) goes a long way to helping you decide which [x] provider to use. In this case: SMS gateways that send to the UK.

Some jolly good stuff from Chris, notably "And I Saw..". I mainly like it, though, because he went and made a thing, and it definitely worked, and it's so, so simple.

"This library implements the Software serial Arduino library to establish a serial connection to a Mobile phone. The methods methods hides the AT+ commands from the user allowing messages to be sent by passing the method on a phone number or email and the message." Oh, now that is interesting.

Creating the ten-hour-takeover