Hobby Electronics Basics

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inverter - 40 volt dc to 110 ac

I have a Lincoln SA200 welder that puts out 40 volts dc. Is there a way that I could use a conventional 12v or 24v dc/a...
1 comments posted 20yrs
posted by bfrlaw
1 comments posted 20yrs posted by bfrlaw

GE Microwave Oven Turntable Motor

I have a mid-sized GE Microwave Oven model JES1033wb-001 aprox. 5 yrs old. The motor that turns the glass tray has fail...
1 comments posted 20yrs
posted by charles.f.spitler
1 comments posted 20yrs posted by charles.f.spitler

component difference

Hi, I am planning to build a line following robot. I found a neat little chip that could replace the photo-resistor Alt...
0 comments posted 20yrs
posted by ??l
0 comments posted 20yrs posted by ??l

TV remote transmission code

Hello, I am trying to decipher TV remotes, and whether or not there is a chip that I can buy which will decipher the co...
4 comments posted 20yrs
posted by andrewkgentile
4 comments posted 20yrs posted by andrewkgentile

Traffic light sensors

I want to attach neodymium magnets to my bicycle kickstand so my presence will be sensed by the underground sensors tha...
7 comments posted 20yrs
posted by cprstn54
7 comments posted 20yrs posted by cprstn54

Solar Battery Charging and Diodes

Hi, I have an intelligent controller for charging SLA batteries from solar panels (it says it uses PW charging, which I...
23 comments posted 20yrs
posted by newspaper.20.broom
23 comments posted 20yrs posted by newspaper.20.broom

Bones

So I'm watching the TV show "Bones" and the theme music comes on consisting of some awesome synthesizer music. I'm remi...
7 comments posted 20yrs
posted by bborb
7 comments posted 20yrs posted by bborb

Burning up analog switch!

I'm using a TI single bilateral analog switch (74LVC1G66DBV) to switch the ground leg of a thermocouple. The control si...
3 comments posted 20yrs
posted by none
3 comments posted 20yrs posted by none

Magnetism and electricity question

Simple (seeming...) question that I can't find a simple, understandable answer to. Everything I've managed to encounter...
13 comments posted 20yrs
posted by dakidd
13 comments posted 20yrs posted by dakidd

Magnet measurement

Hi, Anyonw knows the best way to measure a magnet strenght? either permament or electromagnet. would it be with a galvan...
18 comments posted 20yrs
posted by ??l
18 comments posted 20yrs posted by ??l

Difference between Digital and Analog signals

What is the difference between the Digital signals and Analog signals If anyone explain me pls
5 comments posted 20yrs
posted by karthik_eeeng
5 comments posted 20yrs posted by karthik_eeeng

PIC Project Beginner

I'm trying out how to make my project work, and it is really simple: An IR emitter/reciever will control an electric mo...
4 comments posted 20yrs
posted by jeff.m.hopkins
4 comments posted 20yrs posted by jeff.m.hopkins

Help: Need DC Voltage Reducer

I have a DC circuit powered by a 9v battery and I need to power a 1.5v timer from the same battery. Is there a simple w...
10 comments posted 20yrs
posted by gfight
10 comments posted 20yrs posted by gfight

Simple (but long) solar charging question

Hi all, (Just reread and grasped the length of this--sorry. Not looking for specific answers, just insights into things...
2 comments posted 20yrs
posted by larstorben
2 comments posted 20yrs posted by larstorben