<div dir="ltr"><div>If you only want to send a few values, you could send PWM over the audio jack. If you need more, you could try writing a serial-audio generator..... Hmm. You've probably got a mixrophone in there as well. Two way communications?<br></div><div><br></div><div>Geoffrey<br></div><div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Feb 11, 2016 at 12:27 AM, Robin Gilks <span dir="ltr"><<a href="mailto:robin@gilks.org" target="_blank">robin@gilks.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">> On 10 Feb 2016 20:02, "Jasper Mackenzie" <<a href="mailto:jasper.mackenzie@gmail.com">jasper.mackenzie@gmail.com</a>><br>
> wrote:<br>
><br>
>> Good day All,<br>
>> I need an Android (<a href="http://et.al" rel="noreferrer" target="_blank">et.al</a>.) frontend to one of my uC projects.<br>
>> The micro is connected to my headless server via serial.<br>
>> I would ideally like a stand alone app that connected to the server via<br>
>> WiFi. Presumably some daemon process would be required to interface.<br>
>> Does anyone have any experience/opinions on 'ready made' solutions to<br>
>> this problem?<br>
>> Handbag looked good, but appears to require an arduino connected via<br>
>> OTG.<br>
>><br>
>> Doing this via webpage is also a possibility, and again I have no<br>
>> experience with web pages and worse web<-> serial.<br>
>><br>
>> Even more ideally would be a daemon that could connect to a screen<br>
>> session<br>
>> so I could still get interactive control on the uC.<br>
>><br>
>> Cheers 8)<br>
>><br>
>> Jasper<br>
>><br>
> I'm pretty sure that Synco solved this problem for his autonomous glider.<br>
> He used an android phone to do the navigation with a simple interface to<br>
> the board controlling the plane. Are you there Synco? How did it work?<br>
<br>
</span>Bluetooth serial converter as I recall - something like a cheap Bluetooth<br>
HC-05 transceiver<br>
<a href="http://www.aliexpress.com/item/6-Pin-Bluetooth-Module/32223732542.html?spm=2114.01010208.3.1.1HbWNg" rel="noreferrer" target="_blank">http://www.aliexpress.com/item/6-Pin-Bluetooth-Module/32223732542.html?spm=2114.01010208.3.1.1HbWNg</a><br>
<br>
If you really want to use wifi then socat has ways of interacting in<br>
interesting ways with all sorts of things (including web servers and<br>
serial ports!) Check out<br>
<a href="http://technostuff.blogspot.co.nz/2008/10/some-useful-socat-commands.html" rel="noreferrer" target="_blank">http://technostuff.blogspot.co.nz/2008/10/some-useful-socat-commands.html</a><br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Robin Gilks<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
<br>
<br>
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