Boolean to increment a counter

[karthiksudhir80]

I want a VI that would increment a counter every time a boolean gives a true value. In other words, every time a switch is pressed, the counter should increment to the next whole number and so on.

[Dennis_Knutson]

This should be a pretty trivial exercise. Have you taken any of the free tutorials. Do you know what a shift register is or an event structure. No one here is going to do your homework for you do please attach whatever you have written so far so you can get some help.

[karthiksudhir80]

I am new to LabVIEW and just have a basic knowledge of it. Although i'm aware of shift register, im not accustomed to event structure... im enclosing a rough idea i made to vi..

[Dennis_Knutson]

Can you attach an image of the block diagram? I'm posting by phone.

[karthiksudhir80]

i dont think this works, let me look up event structure

[Dennis_Knutson]

You've got everything backwards. The whole loop should be the outer most structure with the case structure inside that. The event structure is a more elegant solution though.

[syrpimp · Accepted solution]

 set mechanical action of your button to switch until release, if you want yor increment is every click is increment by 1

[karthiksudhir80]

i liked the idea of event structure, implemented it with some local variables .. it works fine

[karthiksudhir80 · Accepted solution]

thanks for your support, i used event structure and local variables and implemented this application which increments the counter when swittch 1 is pressed and decrements the counter when switch 2 is pressed, and glows a light when the value of the counter is greater than 0.

[Dennis_Knutson]

No. Do not use local variables. Use a shift register and have another event for the stop button.