[aprssig] Fwd: APRS = the IoT of Amateur Radio [was: APRS to the planet rescue?

Scott Miller scott at opentrac.org
Thu Apr 13 12:46:08 CDT 2017


A physical building block design might be fun down the road.  For now 
I'm going for the industrial approach to modularity, with DIN-rail 
mounted devices.

Scott
N1VG

On 4/13/2017 10:43 AM, Jim Alles wrote:
> Scott, my brain might be mush, but it mashed up your message with
> ​ a recent article about​
> 'modular phones'.
>
>https://www.cnet.com/news/google-lg-lenovo-modular-phones/ 
> <https://www.cnet.com/news/google-lg-lenovo-modular-phones/>​
>
> Amateur Radio building blocks? SDR could be a part of the equation, I 
> don't know.
> phone bloks (youtube) <https://www.youtube.com/watch?v=oDAw7vW7H0c>
>
> https://venturebeat.com/2017/01/10/inside-project-ara-googles-revolutionary-modular-phone/ 
> <https://venturebeat.com/2017/01/10/inside-project-ara-googles-revolutionary-modular-phone/>
>
> ​Thanks,
> Jim A.​
>
>
>
> ---------- Forwarded message ----------
> From: Scott Miller <scott at opentrac.org <mailto:scott at opentrac.org>>
> Date: Tue, Apr 11, 2017 at 8:06 PM
> Subject: Re: [aprssig] APRS = the IoT of Amateur Radio [was: APRS to 
> the planet rescue?
> To: aprssig at tapr.org <mailto:aprssig at tapr.org>
>
>
> I remember seeing an APRS flood monitor at Dayton a few years ago.  
> They weren't particularly cheap devices, but I think they used 
> ultrasonic gauges.  A simple float switch would do it.
>
> The DRA818V (and probably others) transceiver modules have finally 
> started to make a lot of these applications cheap and practical on 2 
> meters without resorting to scavenged HTs. They're under $15 and good 
> for at least half a watt of TX power, or a full watt if you believe 
> the data sheet.
>
> My current project isn't focusing on low power consumption right now, 
> but without any effort at power saving it's still not too bad - I just 
> tested it at about 80 mA @ 5 volts with WiFi connected and idle.
>
> I'll definitely work on getting something out there to cover the low 
> power sensor mesh stuff.  Having a high-level scripting language 
> geared specifically for APRS and radio applications should make it a 
> lot easier to tackle some of these projects than starting from scratch 
> with an Arduino, with a lot less power consumption than a single-board 
> computer like a Raspberry Pi.
>
> Some of this I'm going to do for myself, market viability be damned, 
> because I've got too many little sensor and remote monitoring and 
> control projects of my own that don't rate custom hardware and 
> firmware.  Even if no one else ever buys any, I'm going to have a 
> shelf full of complete APRS gadgets that I can use to throw together 
> just about anything without having to compile any code.
>
> Scott
> N1VG
>
>
> And didn't we discuss a standardized type-length-value extension 
> scheme a while back?  Aside from OpenTRAC, that is. At the very least 
> I think any more extensions to the format need a formal definition, 
> maybe a BNF grammar, to guarantee that everything is unambiguous and 
> parseable.
>
> Scott
> N1VG
>
>
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