Hearing nothing, more detail… I have collected the Ardunio and all necessary software bits. I have the parts for the ISP cable.
The Ardunio code runs and I can upload through the ISP programmer, but nothing on the uSDX changes. The search of the internet reveals a comment that C24 must be removed. Great. C24 is a surface mount part that is 1mm by 0.5mm. I can barely even see it. Does anyone have magnified SMC handwork experience? 73 Dan KJ5IZK On Tue, Oct 21, 2025 at 12:35 PM Daniel Poirot <[email protected]> wrote: > I have a uSDX+ 8 band qrp box. It’s a tiny SDR unit with lots and lots of > cousins on AliExpress, eBay, and Amazon. > > Mine keeps popping up on 6m, even though it doesn’t have a 6m filter… > > I am itching to update the firmware. > > Has anyone programmed a (tr)uSDX or the like? > > 73 > Dan KJ5IZK > >
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