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Does the sonde have a MCU that writes to the Si4063? Changing the frequency is just a matter of changing the data in a register of the SI4063 and of course verifying nothing in the RF chain will cause a problem.
Do you have a link to a pic or partial schematic of the sonde? I could spend sometime on this sound’s interesting.
On Wed, Jan 18, 2023 at 10:08 AM Michael Hojnowski <kd2eat@...
I've got a nucleo w/stlink as well. I didn't have luck with it,
though it didn't really make sense to me. I just know MrArm was
doing fine with a genuine stlink and I couldn't manage with my
clone or my nucelo stlink. I actually punted and switched to
using a j-link interface I have, but that's not ideal either as
DFM doesn't expose all the pins I need for j-link. Anyway, I
figured the shortest path to victory would be to just go ahead and
order a real stlink with the NRST pin. In fact, this reminds me
that I need to go do that. lol.
On 1/18/23 10:45, Clif Brown wrote:
I'll order an ST-Link. Does the ST-Link function on a Nucelo
board also work? (I can't remember why, but I've got one of those
I also signed up for the Discord