CONGRATS!
There is some code in the receiver task RxTask that can be uncommented and will report all four RSSIs on each received packet. A bit of overkill but I used it to notice the two non-working AX5043s were essentially dead.
I'll repeat your success when the regulator chip arrives.
Jim
WA4CWI
All,
I now have all four of the receivers working!
The two in the center of the board did not have their inputs referenced to ground. Jim point this out and said he read that they needed to be ground referenced. So I placed a 100 nH inductor on all four of these input and connected it to Ground. I was carefully trying to keep the line length all balanced.
When I tested the board all four were working. I have been moving the frequency around on each receiver. I found when two or more receivers are on the same frequency the satellite will respond to a request 2 or more times. When on individual frequencies then only one reply.
I currently have the four at 145.840 .850 .860 .870 and they are all working indipendently. If I move the one at .870 up to .875 it stopes working.
I tried to look at RSSI but i think I need to have data coming in when reading the RSSI value. I am going to look at this more later and capture all the register values.
Bob
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