Search found 4 matches

by Tommy Phillips
Fri Jun 01, 2007 11:10 am
Forum: General Discussion
Topic: "Mini-UPS" for wall wart
Replies: 12
Views: 4166

I took the "cheap and easy" advice ...

I found a low-end Ultra UPS for $20. I couldn't convince myself to go to the effort of building a circuit when I could solve the problem for about $30 (including shipping.) I appreciate all the advice. Thank you very much. Now I just have to build a cabinet around the wiring to hid all the ugly. -To...
by Tommy Phillips
Fri Apr 27, 2007 9:44 am
Forum: General Discussion
Topic: "Mini-UPS" for wall wart
Replies: 12
Views: 4166

"Mini-UPS" for wall wart

I'm looking for a little advice. I have put my cable modem into a wiring box in the wall, and I'm pretty happy with it, except that I get very short power hits once in a while. Sometimes, the network connection drops, sometimes it doesn't. So I'm thinking about putting a minimal circuit with a biggi...
by Tommy Phillips
Tue Mar 27, 2007 12:36 pm
Forum: Up For Grabs
Topic: Motor with gearbox and wheel
Replies: 2
Views: 2818

More info?

Size? Model numbers? Torque? Speed? Anything?
by Tommy Phillips
Fri Jan 12, 2007 2:01 pm
Forum: General Discussion
Topic: Building your own CPU from TTL chips
Replies: 42
Views: 22994

What memories!

When I was getting my EE/CS degree in Boulder, one of the classes was called "Computer Lab", and the project for the class is exactly what you describe: Building a functional CPU out of discrete TTL logic. That was one of the three most fun classes in the entire program. Our team built around a micr...