On Tue, Aug 7, 2018 at 10:44 PM, Doug W wrote:
I am not saying you couldn't run WSPR from an Arduino, but I think you'd be hard pressed to get the same functionality for $10.
Just to clarify I am comparing the Pi for $10 with an Arduino, you still need to add the cost of the shield but even without the shield you'd need at least an LPF either way and the shield gives you a LPF, BPF, and a buffer amp.
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