that is a very interesting subject. something always wanted to play around with (but havn't had a chance to yet).

what (inexpensive) interface/device can one use to switch on/off hmmm, a light for example?

>Read about mscomm32 activex control, I've made some serial comunications with electrical components.
>
>>Is there a way to interface VFP with external electrical components? Lets say, for example, a door switch closes, and I want to use that signal in Foxpro to give an alert. Would this involve serial communications? Thanks.