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Here comes the Bus! (8)

Part 8: Measurement and control

Here comes the Bus! (8)
In the previous instalment in this series we looked at a simple protocol for communicating the results of measurements. Now we look at how the protocol can be used in a control application. To this end we will add a couple of simple components to the experimental board: a light-dependent resistor and a relay.
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Extra info, Update
* Experimental node (printed circuit board, # 110258-1 or set of three boards, # 110258-1C3)
* USB-to-RS485 converter (ready assembled and tested, # 110258-91)
* Free software download (microcontroller firmware and PC software, file # 110258-11.zip)
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