Search found 36 matches

by Franklin97355
Fri Apr 04, 2008 8:52 pm
Forum: General Discussion
Topic: wow,, crazy bright single led 15 watt.
Replies: 6
Views: 3750

The specs attached say 5000 mW
by Franklin97355
Sun Mar 30, 2008 7:10 pm
Forum: General Discussion
Topic: Positioning and recognition ?
Replies: 4
Views: 2737

I would think you would need some sort of encoder system like a variable resistor or optical encoder. Or you could have the device return to a known position and then go to the desired point from there.
by Franklin97355
Tue Mar 25, 2008 7:37 pm
Forum: Robotics
Topic: solar batt charger
Replies: 1
Views: 3563

by Franklin97355
Sun Mar 23, 2008 6:23 pm
Forum: Robotics
Topic: Slightly OT: Press Mention Of "Robot" Suicide
Replies: 5
Views: 5727

Seems he attached a jigsaw to a semiauto pistol.
by Franklin97355
Tue Mar 18, 2008 9:25 pm
Forum: General Discussion
Topic: Sim card reader needed
Replies: 3
Views: 2755

That is not the same as the sim cards I've seen.
by Franklin97355
Sun Mar 09, 2008 12:39 pm
Forum: Projects & Kits
Topic: Coil Launcher Parts
Replies: 10
Views: 11686

So how far could you launch a projectile with 1000uf?
by Franklin97355
Fri Mar 07, 2008 6:48 pm
Forum: General Discussion
Topic: anyone have info on this solar controller ??
Replies: 6
Views: 2714

Try seeing what happens if you use a resistor. If that changes things then see what resistor gives you values you like and substitute a thermistor.
by Franklin97355
Sat Mar 01, 2008 8:40 pm
Forum: General Discussion
Topic: Solar LED Strobe
Replies: 7
Views: 3605

Something like this? http://www.illinoissolarproducts.com/
about half way down.
by Franklin97355
Thu Feb 28, 2008 8:09 pm
Forum: General Discussion
Topic: March 2008 Nuts and Volts Paper Issue
Replies: 1
Views: 1536

Congratulations. (what do you want us to comment on?)
by Franklin97355
Sat Feb 23, 2008 9:37 pm
Forum: General Discussion
Topic: New PC card Motherboard design
Replies: 7
Views: 3699

Check the lower left corner region. I think that pink dot should be green to convert decimal to binary.
by Franklin97355
Sat Feb 23, 2008 9:35 pm
Forum: General Discussion
Topic: PICmicro for a keyboard adapter
Replies: 7
Views: 3508

If I remember right all you need to do is connect the wires. There were ps/2 to AT and viceversa. It's a size thing.
by Franklin97355
Wed Jan 23, 2008 9:15 pm
Forum: General Discussion
Topic: Heated Elbow Brace
Replies: 6
Views: 3307

They make electric socks in several of the sporting goods catalogs. You may be able to modify those. http://www.thunderboltsocks.com/
by Franklin97355
Thu Jan 17, 2008 6:50 pm
Forum: General Discussion
Topic: Electronics Podcasts
Replies: 4
Views: 2548

These are a bit on the old buddy side but some are interesting.
http://revision3.com/systm/
by Franklin97355
Sun Jan 13, 2008 10:54 am
Forum: General Discussion
Topic: Need a simple circuit for detecting a TTL-level square wave
Replies: 7
Views: 4321

A capacitor would conduct with ac and not with dc. That could be your filter.
by Franklin97355
Mon Jan 07, 2008 7:42 am
Forum: General Discussion
Topic: ultra low power mic preamp
Replies: 4
Views: 2760

Would a transistor be acceptable?