Hobby Electronics Basics

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diode sense for temperature

would it be usefull to use two similar 1n4148 diodes to sense air tempreature differential? my application is to use on...
11 comments posted 18yrs
posted by hapticz
11 comments posted 18yrs posted by hapticz

DVP 642 Stereo Audio into a Mono Receiver

I have a Philips DVP 642 DVD player connected to a TV set that has only mono sound, and only one audio input jack. I wa...
0 comments posted 18yrs
posted by none
0 comments posted 18yrs posted by none

Wireless Monitor

Hi im Rommell a student. Im trying to build two device, actually its a project, that if i connect the first to my compu...
1 comments posted 18yrs
posted by llemm2003
1 comments posted 18yrs posted by llemm2003

name of : IC pin that clip on edge of a pcb ?

it is a connector device that you clip/solder on the edge of a pcb that looks like an IC pin when your are done... but...
4 comments posted 18yrs
posted by some
4 comments posted 18yrs posted by some

240 Volt AC To 12 Volt DC

I was wondering if it was possible to build a power supply that steps the 240 Volts AC mains to 12 volt DC 200 mA. I kn...
3 comments posted 18yrs
posted by the1930s
3 comments posted 18yrs posted by the1930s

Magnitude Comparators

Hi, I'm working on a school project where I need to compare 16bits (4 BCD values) from a CMOS logic system and need alt...
2 comments posted 18yrs
posted by mQiQcQhQaQeQlQ
2 comments posted 18yrs posted by mQiQcQhQaQeQlQ

Funciton Generator

Hi all, I have just joined this groups. Warm wishes to all. I need to know how to use a HP Agilent 332501A 80Mhz functi...
4 comments posted 18yrs
posted by kdharanya
4 comments posted 18yrs posted by kdharanya

current regulator -- explanation?

I found my way to this page today: http://www.gizmology.net/LEDs.htm looking for information about light output. As I w...
7 comments posted 18yrs
posted by rex
7 comments posted 18yrs posted by rex

Can I buffer the effects of inrush?

I have a relatively-ginormous Xerox 7750DN color laser printer, rated 12A. I bought it when I was living in a large hou...
21 comments posted 18yrs
posted by jay+news
21 comments posted 18yrs posted by jay+news

Question on a timer for lights and fan

I have a few questions on ic timers. I'm looking for a timer to trigger a relay to run an 80mm fan for 1 minute every 2...
1 comments posted 18yrs
posted by arwestby
1 comments posted 18yrs posted by arwestby

lockin amplifier question

hi i am using a lockin amplifier for the 1st time other than a canned college lab demo i have a 5mV signal from a strai...
5 comments posted 18yrs
posted by spam
5 comments posted 18yrs posted by spam

Power consumption of a typical computer

I reckon today's computers use constant voltage and current... So the power consumption is constant. But why today's mo...
18 comments posted 18yrs
posted by jl
18 comments posted 18yrs posted by jl

Audio Circuit Help

I'm working on a project in my free time and I think I have a generally good design but I there are two or three issues...
18 comments posted 18yrs
posted by bcr07548
18 comments posted 18yrs posted by bcr07548