Hobby Electronics Basics

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Choice of regulator

I've got some batteries out of an old camcorder that are 6v and can give out plenty of current, but the 7805's I'm usin...
2 comments posted 21yrs
posted by eas6
2 comments posted 21yrs posted by eas6

Faulty tv

When the picture suddenly goes on a t.v., what is it usually due to?
9 comments posted 21yrs
posted by lessie__
9 comments posted 21yrs posted by lessie__

bjt in parallel operation

can someone help me i need info on how to operate bipolar transistor in parallel for higher current output is there any...
2 comments posted 21yrs
posted by nortronics
2 comments posted 21yrs posted by nortronics

Creating line-level output from speaker output

I have this electronic talking/musical educational toy that only has a built-in speaker for audio output, but I'd like...
12 comments posted 21yrs
posted by inv
12 comments posted 21yrs posted by inv

Signals on a single wire

Could someone please explain how a signal can be transmitted on a single wire? I have always been taught that a signal,...
7 comments posted 21yrs
posted by ask.me
7 comments posted 21yrs posted by ask.me

Assembler question #DEFINE or EQU?

What is the difference? It looks like they do the same thing. -- Glenn Ashmore I'm building a 45' cutter in strip/compo...
14 comments posted 21yrs
posted by gashmore
14 comments posted 21yrs posted by gashmore

LED hallway lighting

What I want to do is use 6 white LEDs that are rated at 3.5V forward v and max forward I at 30mA. I am going to use 4 1...
6 comments posted 21yrs
posted by ray.straub
6 comments posted 21yrs posted by ray.straub

GFCI Problem/Question

Hope someone can answer this. Its driving me nutts. I am building a new workshop and have ran into a really screwy elec...
0 comments posted 21yrs
posted by rclark
0 comments posted 21yrs posted by rclark

Anygood EE websites

I'm currently studying to become an EE and was wodering if anyone knew of any good sites for any type of tutrial on any...
1 comments posted 21yrs
posted by student
1 comments posted 21yrs posted by student

inverting op amp

Ri = 1K Rf = 10K and a 910 ohm from the non-inverting input to ground. how would the output be afffected if i swapped th...
2 comments posted 21yrs
posted by stillbreezy
2 comments posted 21yrs posted by stillbreezy

Valve amplifiers

Hi Guitar question. It is said that a 30w valve amplifier is very loud compared to a transistor amp. I've heard that 30...
26 comments posted 21yrs
posted by esox
26 comments posted 21yrs posted by esox

Best sensor for my application

I want to measure the distance a glass hydrometer bulb drops over time in a solution of suspended solids. This distance...
1 comments posted 21yrs
posted by gts
1 comments posted 21yrs posted by gts

Where to get printed PIC manuals?

All of the PIC books I have say to get the 16F87X datasheet and the PIC midrange refference manual. I checked the Micro...
3 comments posted 21yrs
posted by gashmore
3 comments posted 21yrs posted by gashmore

inverting amplifier

what happens if you short the output on an inverting amplifier to its inverting input?
6 comments posted 21yrs
posted by stillbreezy
6 comments posted 21yrs posted by stillbreezy