Hobby Electronics Basics

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MOSFET TESTING

Hi, I am trying to test the following power MOSFET using digital multimeter. http://www.fairchildsemi.com/ds/FD%2FFDL10...
4 comments posted 14yrs
posted by jsscshaw88
4 comments posted 14yrs posted by jsscshaw88

Keeping a 12v battery charged above 80%

I had a fellow out to do some electrical work that involves one 12v marine battery. The battery will be used about 4-6...
20 comments posted 14yrs
posted by wolftracks
20 comments posted 14yrs posted by wolftracks

LTspice questions

Does LTspice assume some value of Q when simulating parallel LC circuits where the resistance of the inductor and ESR o...
4 comments posted 14yrs
posted by bperryb
4 comments posted 14yrs posted by bperryb

Inductance Equations using SI Units

I've been planning to wind some coils. I want to get an idea of what sort of inductance I'd get for a given winding, co...
15 comments posted 14yrs
posted by chiron613
15 comments posted 14yrs posted by chiron613

OT: Plonk

Lately I've been saying "plonk" a lot. For reasons that have so far eluded my feeble grasp, a few people (or perhaps ju...
13 comments posted 14yrs
posted by chiron613
13 comments posted 14yrs posted by chiron613

PIC MX32 GUVI (Grand Unified Variable Index)?

I'm dissecting MX32 'example code' to get a gut-level understanding of how it all works. A major slowdown in that path...
1 comments posted 14yrs
posted by Winston
1 comments posted 14yrs posted by Winston

Applying Electronics To Politics (or Vice Versa)

Constantly increasing disparity of wealth is akin to constantly adding a charge to one side of a capacitor. Sooner or l...
2 comments posted 14yrs
posted by BretCahill
2 comments posted 14yrs posted by BretCahill

HDMI-CEC

I have an HDMI device, which apparently isn't HDMI-CEC compliant... it won't turn on my new TV automatically. Anyone kn...
0 comments posted 14yrs
posted by To-Email-Use-The-Envelope-Icon
0 comments posted 14yrs posted by To-Email-Use-The-Envelope-Icon

Soldering a LED Display Matrix

So, I've learned the hard way that it isn't trivial to solder a LED matrix. I've actually extended that lesson to reali...
8 comments posted 14yrs
posted by newsgroup.nospam
8 comments posted 14yrs posted by newsgroup.nospam

Dielectric Grease

Is it desirable to use any sort of dielectric grease on the moving parts that support the contacts inside of an enclose...
2 comments posted 14yrs
posted by Searcher7
2 comments posted 14yrs posted by Searcher7

buying a UPS for my new PC

i am buying a new PC that is coming with a 600 watt power supply and I have an existing APC BACKUP that has 750VA and 45...
3 comments posted 14yrs
posted by don
3 comments posted 14yrs posted by don

connecting wires to pencils underwater

I'm interested in the prospect of using pencils as electrodes for electrolysis of water, but I'm trying to figure out a...
16 comments posted 14yrs
posted by a24061
16 comments posted 14yrs posted by a24061

LM339 Comparator input limits?

The LM339 spec sheet indicates the maximum negative input voltage should not be more than -0.3 volts. The schematic sho...
12 comments posted 14yrs
posted by bperryb
12 comments posted 14yrs posted by bperryb

Charging a marine battery

About 3 months ago, I purchased a deep cycle marine battery (12v) from Costco. It probably weighs 60 pounds. The applic...
31 comments posted 14yrs
posted by wolftracks
31 comments posted 14yrs posted by wolftracks