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Thank you for your help John. <br>
<br>
I had no idea it is that easy to control PowerSDR from an Arduino.<br>
<br>
I now have a knob tuned SDR with all the feel of a 1960's radio or
a 1960,s radio with state of the art panadapter /waterfall display.
<br>
<br>
It consists of a Mercury/Penelope/ Hercules SDR contoled by a 1966
Eddystone EA12 tube/valve receiver. I have removed the ground lug
from the EA12 and temporarily replaced it with a BNC line coupled to
the VFO. The Arduino frequency counts the VFO and outputs the result
to CAT.<br>
<br>
I would like to reduce the latency a little but it works quit well.
It makes switching between playing with old radios and the state of
the art real quick.<br>
<br>
Thanks again. <br>
<br>
Brian KF6C. <br>
<br>
<br>
<div class="moz-cite-prefix">On 08/25/2015 10:39 AM, John Melton
wrote:<br>
</div>
<blockquote cite="mid:55DCA860.1010402@googlemail.com" type="cite">
<pre wrap="">***** High Performance Software Defined Radio Discussion List *****
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I just realised that I only sent this reply directly to Brian and
not to the list.<br>
<br>
This will send the CAT command to set VFO A frequency. Change the
ZZFA to ZZFB to change the VFO B frequency.<br>
<br>
-- John g0orx/n6lyt<br>
<div class="moz-forward-container"><br>
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<th align="RIGHT" nowrap="nowrap" valign="BASELINE">Subject:
</th>
<td>Re: [hpsdr] Setting freq on PowerSDR.</td>
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<th align="RIGHT" nowrap="nowrap" valign="BASELINE">Date:
</th>
<td>Tue, 25 Aug 2015 16:21:03 +0100</td>
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<th align="RIGHT" nowrap="nowrap" valign="BASELINE">From:
</th>
<td>John Melton <a moz-do-not-send="true"
class="moz-txt-link-rfc2396E"
href="mailto:john.d.melton@googlemail.com"><john.d.melton@googlemail.com></a></td>
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<th align="RIGHT" nowrap="nowrap" valign="BASELINE">To: </th>
<td>KF6C <a moz-do-not-send="true"
class="moz-txt-link-rfc2396E"
href="mailto:brian@kf6c.com"><brian@kf6c.com></a></td>
</tr>
</tbody>
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<br>
<pre>Hi Brian,
The simplest way is to send a CAT command over the USB-Serial interface:
long frequency;
void setup() {
Serial.begin(9600);
// test
frequency=14135000;
sendFrequency(frequency);
}
void loop() {
// put your main code here, to run repeatedly:
}
void sendFrequency(long f) {
char cf[17];
sprintf(cf, "ZZFA%011ld;", f);
Serial.print(cf);
}
The output from an Arduino Uno using the Serial Monitor was:
ZZFA00014135000;
Regards,
John g0orx/n6lyt
On 25/08/15 15:57, KF6C wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> With the wanted frequency in an Arduino is there a simple way to load
> this into PowerSDR?
>
> 73 Brian KF6C
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