[Lab] How to set a clock

[Andrew O'Malley]

I agree w/ the encoder: most intuitive for the end user.  Uses a few more
inputs than a switch but there are decent libraries for the Arduino.


> Message: 7
> Date: Thu, 11 Sep 2014 13:01:03 -0400
> From: Raj <modlab at raj.homelinux.com>
> To: Darcy Whyte <darcy at inventorartist.com>
> Cc: lab <lab at artengine.ca>
> Subject: Re: [Lab] How to set a clock
> Message-ID:
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> CAF+GzvYAQuoVZzVe54USuNT9fTxOZ1n5+PeHXDX_nXsFPGa+Sw at mail.gmail.com>
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>
> I've always marvelled at the simplicity of the old mechanical watch setting
> knob - pull it out, adjust (with excellent visual feedback and good control
> over ability to move quickly to an hour and then fine-tune the minutes) and
> then push it back, done.  It boggles my mind how we went from there to the
> horrendous buttons, switches and complicated setting sequences for digital
> watches.  Been toying with the idea of creating a clock with a single
> rotary encoder to see if I can emulate the intuitive feel of a mechnical
> knob.. push in the encoder, rotate it to set the time - backwards or
> forwards, rotate quickly to move the time faster with an exponential rather
> than linear correlation to speed of rotation).  Feel free to steal this
> idea if it works for you with the only caveat that I get to see the code :)
>
> cheers!
> --Raj.
>
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