I am working on a project about transferring data from pressure sensors to the phone via hc05 on a stm32f103 model microprocessor. How should I choose the values such as baud rate, stop bit, parity when setting up the hc05 module?
The first thing to decide is whether you should set up anything. You probably don't need to do this. It should work just fine out of the box. Changing baud rate is common enough but usually only necessary when sending large data streams, which appears not to be your case.
Use the default settings, that would work in most applications and keeps it easy when you have problems. A mistook in the baud settings can cost a lot of time to fine.
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