Hobby Electronics Basics

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Technics SLP-170 CD Player Won't Play

See Subject. I find it a bit odd it won't play. It is about 12 years old, maybe 15. I put in a CD, and it shows track 1...
9 comments posted 17yrs
posted by notvalid2
9 comments posted 17yrs posted by notvalid2

f(t) = 40 + 10t + (4+ t)sin(t)sin(10t)

For a good time paste this function in www.wolframalpha.com Bret Cahill
7 comments posted 17yrs
posted by BretCahill
7 comments posted 17yrs posted by BretCahill

LED Lighting PSU

Hi I want to experiment with powering LEDs from a 220V mains supply. I note you can get GU10 style LED bulbs these days...
12 comments posted 17yrs
posted by a_person
12 comments posted 17yrs posted by a_person

Simple design - will it work

Guys I need to wire up a remote switch for a milling machine in my garage. Rather than go into a lot of detail all I ne...
3 comments posted 17yrs
posted by jim
3 comments posted 17yrs posted by jim

Idea for an Invention

Hi, All, We have glue guns, where the glue stick if fed through a heated tip. I'm doing stained glass, and soldering is...
3 comments posted 17yrs
posted by me
3 comments posted 17yrs posted by me

Speed control and reversing in electric drills

Most corded (ie AC) and cordless (ie DC) electric drills are variable speed and reversible. "reversible" in a DC motor...
14 comments posted 17yrs
posted by Occidental
14 comments posted 17yrs posted by Occidental

Driving LEDs with a battery pack

Hello, I'm trying to drive some LEDs with standard batteries (eg. from a battery holder with 3 AAAs in it). Should be e...
175 comments posted 17yrs
posted by openglMYSOCKS
175 comments posted 17yrs posted by openglMYSOCKS

Electronic Braking System for Cars

Is there a scope for replacing the conventional hydraulic braking systems of cars by an entirely electronically integra...
7 comments posted 17yrs
posted by auroshisdas
7 comments posted 17yrs posted by auroshisdas

DC Current in Parallel Inductors?

Hello All, My teacher gave us a problem that is driving me absolutely crazy, and my Spice simulator is supplying odd an...
15 comments posted 17yrs
posted by desiree_koksuka
15 comments posted 17yrs posted by desiree_koksuka

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

OT: Canadian mains sockets?

Not 'electronics', so excuse me, but could someone on that side of the pond please confirm the type of mains socket I'm...
27 comments posted 17yrs
posted by terrypinDELETE
27 comments posted 17yrs posted by terrypinDELETE

The Art of Electronics

Hi Engineer.., Any last updates on this book "The Art of Electronics" 3rd edition _____ Excluding that.., Any other res...
10 comments posted 17yrs
posted by mJ
10 comments posted 17yrs posted by mJ