Murugesh_89
Full Member level 5
![Full Member level 5](/styles/images/ranks/flevel2.gif)
Hi,
I am getting a square wave input as shown below which i need to be counted.
![Wave.JPG Wave.JPG](https://www.edaboard.com/data/attachments/28/28394-fefa3cf67ab5f5acc8bcf77cbfc7536b.jpg)
I am giving this to external interrupt of microcontroller. Since in the negative cycle i am getting noises as shown in red color, i am getting multiple interrupt WHICH IS NOT FIXED VALUE.
The frequency of wave is 0 - 500 Hz.
What should i do in HARDWARE so that i can get single pulse and hence single interrupt?
Thanks,
Murugesh
I am getting a square wave input as shown below which i need to be counted.
![Wave.JPG Wave.JPG](https://www.edaboard.com/data/attachments/28/28394-fefa3cf67ab5f5acc8bcf77cbfc7536b.jpg)
I am giving this to external interrupt of microcontroller. Since in the negative cycle i am getting noises as shown in red color, i am getting multiple interrupt WHICH IS NOT FIXED VALUE.
The frequency of wave is 0 - 500 Hz.
What should i do in HARDWARE so that i can get single pulse and hence single interrupt?
Thanks,
Murugesh