If you are planning to use an Arduino for an early prototype of your product, then you should also consider the more powerful STM32duino development board. Commonly referred to as the STM32 Blue Pill, this board has nearly all the capabilities of the Arduino module but with a cheaper price. There are only two main issues. First, it is not compatible with most Arduino shields due to differences in size and pinouts. In most cases, it can still use those shields. It’s just that these shields simply cannot be piggy-backed on the module. Second, there are some steps that have
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