PPCtrl Parellel Port I/O Control Cost: $49 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions PPCtrl Parellel Port I/O Control: This is an ActiveX Control, it can direct control a Parallel I/O Port, receive data bit by bits from parallel port, and send data bit by bits to parallel port, you can use it for control electronic products (i.e. Switch on/off, Lighting, Monitoring), very easy for use !