# \[CS3 AS3\] Controlling A Circuit?

**URL:** <https://forum.kirupa.com/t/cs3-as3-controlling-a-circuit/255301>\
**Category:** flash\
**Created:** [March 20, 2008, 9:44pm UTC](https://forum.kirupa.com/t/cs3-as3-controlling-a-circuit/255301 "2008-03-20T21:44:08Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![xohol](https://avatars.discourse-cdn.com/v4/letter/x/59ef9b/32.png) [@xohol](https://forum.kirupa.com/u/xohol)\
**Post date:** [March 20, 2008, 9:44pm UTC](https://forum.kirupa.com/t/cs3-as3-controlling-a-circuit/255301/1 "2008-03-20T21:44:08Z")

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Hello,

im trying to find a way to control an external circuit, using at least flash to do the base control.  
this is for a desktop app that would always run on the same computer.

ie, someone hits a button in the flash app… and it turns on a LED light in a sign.

Anyone know of anything like this? Trying to find the right direction to go in.  
Thanks!