Is there a stand alone timing control module

MegaSquirt started out as a college thesis project in 1996. By 2001 Bowling & Grippo worked out the majority of the bugs -- MS2. It has evolved over the past 20 years, so it is a mature technology. Reliability falls in your court. The MS2 can be purchased pre-assembled, or as a kit. If you build it yourself, you're responsible for reliability. The only thing I really don't like about them is the DB-25 connectors. That's PC stuff, not automotive. They have a forum with a wealth of good information, pages of tutorials to walk you through, and it's open source if you want to tweak it. It comes with a functional (albeit not very sexy) dashboard that requires either the older DB-9 RS-232 connector, or a USB-to-UART converter (FTDI) to connect to USB.