Why on earth would you want to do that?
- It's 100% geeky fun!
- To build something from scratch with inexpensive parts
- To gain confidence in custom, hand-built electronics (safely)
- Learn something new about how stuff works
- It's easy - basic soldering is all you need
- It's useful - drive the lights to monitor any arbitrary thing you like
- It uses Perl - which is also useful and fun