Hobby Electronics Basics

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Heathkit oscilloscope?

Hello all, I have been fooling (emphasis on fool) with an old Heathkit 10 MHz two channel oscilloscope, which I believe...
11 comments posted 18yrs
posted by biscuitbecks
11 comments posted 18yrs posted by biscuitbecks

software for 8051 devices ? IDE-Dis-Ass-Debug

yes, i did google and i got a gaggle of garbage a few good links and somw great stuff with dead or deadend links. a pro...
4 comments posted 18yrs
posted by some
4 comments posted 18yrs posted by some

Better than LM386 on batteries?

Hello! I intend to build a stereo headphone mixer/amp type device for mixing bass guitar signal and the output of an mp...
29 comments posted 18yrs
posted by blahbleh666
29 comments posted 18yrs posted by blahbleh666

cell phone interference

I made a tiny amp for my electric guitar with the LM386 chip and a small speaker http://www.national.com/ds/LM/LM386.pd...
2 comments posted 18yrs
posted by nospam
2 comments posted 18yrs posted by nospam

Voltage controlled rheostat?

I'm no analog electronics expert by any definition of the word so I apologize if this question is stupid. I'm looking f...
16 comments posted 18yrs
posted by jonathanbusby
16 comments posted 18yrs posted by jonathanbusby

Reducing Transformer Voltage

I'm planning on building a battery radio kit, that I plan on making into an AC set through the use of trnsforers. I've...
7 comments posted 18yrs
posted by the1930s
7 comments posted 18yrs posted by the1930s

video surveillance

Does anybody know of a home video surveillance system? I have a neighbor who has been periodically vandalizing our prop...
2 comments posted 18yrs
posted by mockingbird4404
2 comments posted 18yrs posted by mockingbird4404

Akai EA-M830 Manual

Akai EA-M830 Manual Does anybody know where I can get a free operating manual for an Akai EA-M830 Sound processor pleas...
0 comments posted 18yrs
posted by lowtronic
0 comments posted 18yrs posted by lowtronic

How to calculate the effect of a resistor's TCR?

I'm trying to determine the power rating I need for a current sense resistor and am having trouble calculating the effe...
6 comments posted 18yrs
posted by jmuchow
6 comments posted 18yrs posted by jmuchow

Stereo to Mono

Hello, I am in search of some help. I know the basics about sound and such, but none of the really technical stuff. I a...
7 comments posted 18yrs
posted by theatrrap
7 comments posted 18yrs posted by theatrrap

ATX Computer Power Supply Wiring Question

I am putting an ATX computer power supply into an arcade video game cabinet, and I want to make sure that all of the ca...
4 comments posted 18yrs
posted by Searcher7
4 comments posted 18yrs posted by Searcher7