stm32f103vet6 industrial control board and 485 protocol sensor

lhwqwer

stm32f103vet6 industrial control board and 485 protocol sensor [Copy link]

I am currently studying the Internet of Things at school. My project is water quality monitoring. We use the STM32F103vet6 industrial control board and the development environment is keil4. There is a PH detection. The PH sensor provided by the school is based on MODBUS and RS485 protocols. What are the sensors of this type that need to be used in programming? Are there any common points in development? Please give me some advice.

sxdahss

Just use it first, make a plan, and implement them one by one

adeli

RS485 is just a communication hardware method, and MODBUS is a communication protocol stack. The 485 hardware of STM32 generally uses serial communication, usually half-duplex communication. Writing a program is to convert the data into a modbus data stream, and then send it out through the serial port TTL to 485.