Hobby Electronics Basics

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HELP NEEDED TIMER (BASEBALL FEEDER)

I have a 3v dc motor that turns at a slow rpm. It has a rubber wheel that comes in contact with a baseball. This allows...
0 comments posted 18yrs
posted by piscatory
0 comments posted 18yrs posted by piscatory

Timer baseball feeder circuit

I have a 3v dc motor that turns at a slow rpm. It has a rubber wheel that comes in contact with a baseball. This allows...
5 comments posted 18yrs
posted by piscatory
5 comments posted 18yrs posted by piscatory

Trying To Fake Thermo

A few laymen can get _some_ kind of understanding of thermo. The anchor of NPR for example, has figured out how to avoi...
5 comments posted 18yrs
posted by BretCahill
5 comments posted 18yrs posted by BretCahill

Prototyping Zinc/Mg - Air w/ Harbor Tugs

A couple years ago an Israeli company was working on zinc or magnesium "fuel" systems for motor vehicles. The additiona...
3 comments posted 18yrs
posted by BretCahill
3 comments posted 18yrs posted by BretCahill

Feedback

There is a simple (and above all quickly) way to calculate loop gain (given a circuit without any further information)?...
3 comments posted 18yrs
posted by silusilusilu
3 comments posted 18yrs posted by silusilusilu

Connecting two open collector devices

Hello, Currently I building a circuitry to have 8 I/O pins being demux into 64 mutually exclusive outputs to control sw...
10 comments posted 18yrs
posted by zulkafli
10 comments posted 18yrs posted by zulkafli

I do not know ?

My house uses 4 fts length fluorescent light ( 20 W ) as lighting source. When I remove the starter the light is still...
2 comments posted 18yrs
posted by mowhoong
2 comments posted 18yrs posted by mowhoong

filtering a digest?

Is there any way I can filter out messages from a digest? I don't need instant updates from this forum, so I get it in...
1 comments posted 18yrs
posted by vieuxnez
1 comments posted 18yrs posted by vieuxnez

i need toknow?

i need to know semiconductors.
4 comments posted 18yrs
posted by vinta.daga
4 comments posted 18yrs posted by vinta.daga

PCB current capacity

Can someone tell me how much current a 1mm wide trace on a PCB can handle? Thanks Rod
6 comments posted 18yrs
posted by rdavies
6 comments posted 18yrs posted by rdavies

Making a 2 Volt 400 Amp bridge rectifier?

The 400CNQ center tap, high current, Schottky rectifier module series has been optimized for very low forward voltage d...
8 comments posted 18yrs
posted by stu
8 comments posted 18yrs posted by stu