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Precision Measurement Central (5)

RS485 networking in practice

In the previous instalments of this series featuring the MSC1201 board and microcontroller, we have already discussed many aspects of using it for various applications, ranging from a development platform (for which it is ideally suited) to a precision sensor in a network. In this instalment, we examine how the elements discussed earlier can be combined to form a complete system or network. You can use the software described here as the starting point for developing your own applications. Despite the use of print( ) statements and floating-point computations, the code written for the application described in this instalment occupies only around 5 kB (by comparison, the free evaluation version of the suggested uC/51 compiler generates up to 8 kB of code).

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Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.

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