This is my hand made breakout board for Ebyte E73-2G4M04S module.
At the end of the first part of this article I promised to write something about interfaces. I don’t want to write here a complete or even brief lecture about the interfaces. Instead, I’ll show a simple example how to define and use an interface, and then, how to take advantage of ubiquitous io.Writer interface. There will also be a few words about reflection and semihosting.
How low we can Go and still do something useful?
I recently bought this ridiculously cheap board:
I bought it for three reasons. First, I have never dealt (as a programmer) with STM32F0 series. Second, the STM32F10x series is getting old. MCUs belonging to the STM32F0 family are just as cheap if not cheaper and has newer peripherals, with many improvements and bugs fixed. Thirdly, I chose the smallest member of the family for the purpose of this article, to make the whole thing a little more intriguing.
I’ve just received my first FPGA devboard.
You can buy cheap ST-LINK V2 clones everywhere. I really like them, because of its small size and little price. But they have one disadvantage: they don’t expose nRST and SWO signals.
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