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Topic: SMS & email only 'phone' (Read 618 times) previous topic - next topic


I wondered how hard it would be to take a GSM module, couple it with a small querty keyboard and still have a thin form factor.

The advantage to this would be:

- as a separate device, you'd have a battery backup for your smartphone
- you can turn the phone off and have it check for messages in intervals of say 10mins. This would mean the battery would last a lot longer
- you can use an old green LED screen (or partial updating eink?)
- if it was thin enough you could velcro it to the back of your main phone... or just not carry a phone at all (some people only do SMS and txt to save cash)

I think this is too difficult to do well.
I looked at adapting current phones but I'm finding it's either too big or too new.

An update to this tutorial is needed:

Your thoughts?

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