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I accept a bit of a love/hate accord with the Arduino. But if I had two austere gripes about the aboriginal alms it was the 8-bit CPU and the abridgement of able debugging support. Now there’s affluence of 32-bit abutment in the Arduino IDE, so that takes affliction of the aboriginal big issue. Taking affliction of accepting a absolute debugger, though, is a bit trickier. I afresh set out to use one of the bargain “blue pill” STM32 ARM boards. These are accessible for aloof a few bucks from the accepted Chinese sources. I best abundance up for about $6 because I capital it in a anniversary instead of a month. That’s still appealing inexpensive. The dent has a lot of abundant debugging features. Can we alleviate them? You can, if you accept the appropriate approach. For a few bucks, you can’t accuse about the hardware. The STM32F103C8T6 onboard is a Cortex-M3 processor that runs at 72 MHz. There’s 64K of beam and 20K of RAM. There’s a minimicro-USB that can act as a programming anchorag...