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This test will be part of one of the main module that I will need to communicate between PC and all sensors/modules. I want for the PC from the robot to communicate with one Master PIC by RS232, exchanging commands and information to/from sensors/modules. Than the Master PIC will make the interface to all sensor/modules by I2C Bus.

Still have a lot of work to do on the H-Bridge module, and the I2C Bus, but decided to test RS232! It was fun to play with and my test worked well!

I’ve just assembled on a test board this simple circuit:

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