Hobby Electronics Basics

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dust

I was just wondering if dust is generally a conductor or insulator. Also, how can dust often cause electronics equipment...
5 comments posted 19yrs
posted by bob
5 comments posted 19yrs posted by bob

Electric motors newbie questions

Hello, I'm a newbie and I'd like to learn a little about electric motors. I've had a run-through of electric motors and...
2 comments posted 19yrs
posted by dartkick
2 comments posted 19yrs posted by dartkick

Citizen C504DVC trouble

I've got a few things I want to do with my DVD/VCR combo player that I can't seem to get it to do. 1. I want to use it...
2 comments posted 19yrs
posted by beatme101
2 comments posted 19yrs posted by beatme101

onomatograph?

I'm sure that someone here can help. If not, could someone please point me to the correct group? I wanted to make the o...
5 comments posted 19yrs
posted by taylor-sedai
5 comments posted 19yrs posted by taylor-sedai

Interesting Tesla coil

--Would be interested to know more about how this thing works; i.e. would a desktop version of it be as ...vocal? http:...
4 comments posted 19yrs
posted by steamer
4 comments posted 19yrs posted by steamer

How to use MOSFETs ?

Hi, I was told on another forum, that the way to switch "large" currents is a MOSFET since a regular transistor cant, a...
5 comments posted 19yrs
posted by nospam
5 comments posted 19yrs posted by nospam

AA batteries in AAA slot?

I am wondering if it is possible to use AA batteries in AAA slots. Of course, I wouldn't be able to fit them in, but I...
25 comments posted 19yrs
posted by beatme101
25 comments posted 19yrs posted by beatme101

Help a newbie

Hy guys, Hope all of you are doing ok.... I'm a newbie in mciro-electronics, alrhough I have an electronics course, i'v...
11 comments posted 19yrs
posted by psg
11 comments posted 19yrs posted by psg

Voltage loss over diodes/transistors

Hi, I have a circuit that runs off a 5VDC regulator. I need to drive 2 relays, and the ones I have are 6Vdc, but ofcaus...
15 comments posted 19yrs
posted by nospam
15 comments posted 19yrs posted by nospam

doubling voltage on a capacitor

Hello, I have a DC source (lets say 50v) connected to a capacitor with a switch in between. everytime the switch turns...
15 comments posted 19yrs
posted by lerameur
15 comments posted 19yrs posted by lerameur

Microcontroller starter kit

I'm currently studying mechanical engineering, but I want to focus more on the robotics side of things. I'm looking int...
5 comments posted 19yrs
posted by JoshoCar
5 comments posted 19yrs posted by JoshoCar

Pimp my pH input

Hi, I am trying to debug the first stage of a pH input circuit. The first stage is just a voltage follower made from a...
17 comments posted 19yrs
posted by asd
17 comments posted 19yrs posted by asd