Arduino for STM32

Guys

I'm trying to upload onto an open source antenna analyser board, called a NanoVNA ( https://github.com/ttrftech/NanoVNA )
Shematic https://github.com/ttrftech/NanoVNA/raw/master/doc/nanovna-sch.pdf


But I can't seem to get a ST-Link or a JLink to connect via SWD.

If I pull Boot0 high, the ...

I noticed that I was not able to upload to the 'fastboot' version of the bootloader, immediately after installing the bootloader, but after I was able to upload the first sketch, by pulling Boot1 high to hold the bootloader in DFU mode, the problem was fixed and I could subsequently upload without a ...

Most MMDVM Hotspots use STM32F103's in them. https://github.com/juribeparada/MMDVM_HS

The MCHF . HF SDR transceiver uses the STM32F4 https://github.com/df8oe/UHSDR

Most of the TYT hand held VHF/UHF transceivers, like the TYT MD-380 use the STM32F4. There isn't fully open source firmware for this ...

I accidentally introduced a bug while manually merging a load a changes a few weeks ago, which prevented the bootloader holding in DFU mode if Boot1 (or whatever is defined as the button pin) was held high.

I've now fixed the problem and I've also added the "fastboot" version of the "generic pc13 ...

Hi Guys

Frederic sent me a link to the new site

I bought one of those F411 boards a few weeks ago, for a project which needed more CPU power

https://www.aliexpress.com/item/4000103610226.html

The board looks OK, and is slightly smaller than the BluePill

But I don't know if it works, as I've ...