In SX Microcontrollers, SX/B Compiler and SX-Key Tool, jmevans wrote:

I am wanting to connect three photocells up on three pinewood derby lanes to monitor the finish line.
I have tested this with the BS2 but thought that the SX would be better with the Interupt capabilitys,

my question is what is the best way to do this using the interupt?

 

On the BS2 i used rctime to measure the ambiant light level then contuiualy checked for substantial changes on each of the three photocells.

 

A simple example would be of great help.

 

Thnx.

Mark

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