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DMM recommendation for low noise DC experiment

Hi, Present setup: I have an experiment that requires high electrical shielding, that has an output (two pins) from an...
0 comments posted 17yrs
posted by energymover
0 comments posted 17yrs posted by energymover

best way to measure current?

I have a coil. I want to accurately measure the amount of energy/current that it uses when pulsed with one single squar...
1 comments posted 17yrs
posted by kenw232
1 comments posted 17yrs posted by kenw232

where to buy soft iron rods

anyone know where I can buy soft iron rods in various sizes and shapes? Seems to be a nightmare to find anything. thanks...
16 comments posted 17yrs
posted by kenw232
16 comments posted 17yrs posted by kenw232

DC from 2 candles?

You have probably seen this before, but I was just sent a video which features a guy taking two candles, about 4" dia....
2 comments posted 17yrs
posted by jamiegoforth
2 comments posted 17yrs posted by jamiegoforth

Help

Hello...first of all,sorry for my bad english...I need help. I am using a program Micro-cap, i have one sheme (BBB4 VLF...
4 comments posted 17yrs
posted by killerinstinct9999
4 comments posted 17yrs posted by killerinstinct9999

Flyback Transformer Shot?

Hi, I'm trying to get an old Loewe Colour TV going. I replaced a blown fuse, but now I get a corona discharge at the to...
2 comments posted 17yrs
posted by valid
2 comments posted 17yrs posted by valid

measuring picoamps.

[[Mod. note -- I have set followups to the poster. If you think there are more general physics-research-related issues,...
1 comments posted 17yrs
posted by shishirk
1 comments posted 17yrs posted by shishirk

TV antenna aimed out window

If you installed a UHF TV antenna in your attic, and the attic had a window which you could have the antenna aimed thro...
3 comments posted 17yrs
posted by jamiegoforth
3 comments posted 17yrs posted by jamiegoforth

magnetic flux question

can someone tell me if this is true or false? magnetic flux more easily travels through ferrite/soft iron then it does...
4 comments posted 17yrs
posted by kenw232
4 comments posted 17yrs posted by kenw232

Need MC68HC705 programmer

Hi, I need to program a MC68HC705 Processor. Anyone know where I can find a programmer? thanks Vince
1 comments posted 17yrs
posted by n1vc
1 comments posted 17yrs posted by n1vc

Home made tv antenna?

A friend lives in a somewhat remote area with regard to the tv broadcast signals. The nearest (2 UHF channels to the no...
3 comments posted 17yrs
posted by jamiegoforth
3 comments posted 17yrs posted by jamiegoforth

Need electronic guru

I don't recall where I got it, but I have a device that plugs into a standard 3-prong outlet. It uses both outlets and...
3 comments posted 17yrs
posted by andrewkennedy3
3 comments posted 17yrs posted by andrewkennedy3

A couple LED questions

1. Can a multi-colored LED (like the one here - http://www.elexp.com/opt_rgbc.htm) change colors 30 times per second? 2...
12 comments posted 17yrs
posted by mousepoop.com
12 comments posted 17yrs posted by mousepoop.com