It’s roughly a month now since I got an STM32 (ARM Cortex M3) board in the workshop and I think it’s high time I gave an update on my progress. A free toolchain It shouldn’t be this difficult. Really it shouldn’t. My goal was to setup a toolchain from open source...

While browsing around ebay one day I stumbled across some very reasonably priced STM32 development boards from Chinese sellers. These boards came with all the usual stuff that you’d expect, i.e. serial, USB, SDIO and a ton of GPIOs. What really got my attention was that some of them came...