[aprssig] Simple APRS module to use with Arduino

Jason KG4WSV kg4wsv at gmail.com
Fri Oct 14 07:06:30 CDT 2016

On Fri, Oct 14, 2016 at 12:54 AM, Jim (List) <jim.list at stuckinthemud.org> wrote:
> I’m looking at a built solution (without radio) for about $50.

good luck. The going rate for an arduino is US$30, so you're looking
for a $20 modem?

If you want to go super-cheap, forget about RX and use a simple DAC
circuit (e.g. 4 resistor ladder).  Code is out there. You'll need a $5
or $10 proto shield to mount the hardware.

If you want 10 of them, the qty 10 price for the Argent Data radio
shield is $22.  For the arduino, the Sparkfun Redboard (an arduino
clone that i like better than the current standard arduino models) is
$20 (qty 10 price $19).

If you can do arduino based TX/RX cheaper than that, _please_ let the
rest of us know how you did it.


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