Hi there I am trying to use 2 arduino 1, one as a master and the other as a slave, also with the rs232, I am trying to control the velocity of a dc motor with a pot connected to the master and the motor to the slave one. I am using the <simpplemodbusmaster.> and the <simplemodbusmaster.h> librarie…

Arduino 232 protocol master slave

ieee488 May 25, 2018, 2:57am 2

why RS232 ?

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