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Topic: Want to time status periods on an input (Read 608 times) previous topic - next topic


I want to be able to time the period (typically greater than 10mS) that an input is ON.

Stage 1 - Specifically I want to determine the pulse rate in mS or seconds from the led on the front of a electrical power consumption utility meter which typically flashed once for each Watt/Hour of consumption & then display the value on the serial monitor.
Needs to be interupt driven.

Stage 2 would then use something like 433MHz radio link modules to send the data to a host display controller where it displays the instantaneously power consumption at any time.

Stage 3 - Data logging to SD card 

Anyone done similar before? 


Anyone done similar before?   

Yes, you should have a look in the home automation section - http://arduino.cc/forum/index.php/board,16.0.html -
There are many similar projects discussed (and others too)
Rob Tillaart

Nederlandse sectie - http://arduino.cc/forum/index.php/board,77.0.html -
(Please do not PM for private consultancy)


For anyone following this topic - I found this excellent link below

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