Academic Hardware Products (myDAQ, myRIO)

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3 x 7 Segment Multiplexing Flickering Problem

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Hello,

 

i am try multiplex three 7 Segments. But i have the Problem that leds are flickering even if it runs more then 30 hz.

The oscilloscope shows a strange wave too. See screenshot.

 

Can somebody see the problem on attached source screen?

The code runs on myRIO on RT VI.

 

What the code to:

Every loop:

1) disable all three segments,

2) Set Outputs for Segment Number

3) activate only segment on which the number shows

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