Hobby Electronics Basics

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design hobbyist fife

Hi, I am in need of a piece of equipment which can show me a relation between sun intensity and temoerature. How do I f...
4 comments posted 19yrs
posted by partners
4 comments posted 19yrs posted by partners

LED lightbulbs and X10 dimmer switches?

As an experiment, I ordered an LED bulb advertised on its web site as "compatible" with dimmer switches. As I sort of e...
6 comments posted 19yrs
posted by tom.horsley
6 comments posted 19yrs posted by tom.horsley

what to input to CLK for 74 series IC?

hi there, i'm doing a IC tester and it is able to only input high and low voltages to the Input pin of the IC. For exam...
4 comments posted 19yrs
posted by cynhong
4 comments posted 19yrs posted by cynhong

74LS73A (flip-flop)

I'm doing a IC tester and it is able to only input high and low voltages to the Input pin of the IC. What input should...
2 comments posted 19yrs
posted by thensiujing
2 comments posted 19yrs posted by thensiujing

basic general question

Hi, Im a total noob to this field and was wondering if anyone could provide input to prevent me from blowing up my ac o...
24 comments posted 19yrs
posted by caltus
24 comments posted 19yrs posted by caltus

Dot matrix display 7x5 LTP2157AE pin-out

I have been given a number of 7x5 dot matrix display segments. There are 7 pins at the top and 7 at the bottom. The ID...
7 comments posted 19yrs
posted by dewhurst
7 comments posted 19yrs posted by dewhurst

Component level course

Hi I would like to know what course, or how to learn to repair Electronic equipment to component level. Such as TV'S mo...
1 comments posted 19yrs
posted by steve
1 comments posted 19yrs posted by steve

recommendation for book on fixing telephones

I've been looking around for a book on fixing telephones--not ancient models but not new cheap junk either. Haven't seen...
0 comments posted 19yrs
posted by badgerboy
0 comments posted 19yrs posted by badgerboy

Pasting a Link

I want a link to my web page from a posting on a classifieds (homes for sale) site. I want to copy the address from my...
5 comments posted 19yrs
posted by lisafitz
5 comments posted 19yrs posted by lisafitz

LEDs

I have been given a large number of LEDs soldered into a board. Since the pins have been cut t the same length what is t...
6 comments posted 19yrs
posted by dewhurst
6 comments posted 19yrs posted by dewhurst

Novice needs help with crazy project

Gurus, I need your help... I am an amateur triathlete and I'm getting ready for the start of the triathlon season and I...
154 comments posted 19yrs
posted by jerrykagan
154 comments posted 19yrs posted by jerrykagan

IC 555

Hi, I was using 555 astable output and connect to a radio transformer ( 1:70), trying to step up the output voltage fro...
7 comments posted 19yrs
posted by Dr.chongff
7 comments posted 19yrs posted by Dr.chongff

Rational Question: Analog Electronic Chip

Hi: Please forgive my past messages. Currently I have a sensible question. Just out of curiosity. Is there such thing a...
31 comments posted 19yrs
posted by glucegen1
31 comments posted 19yrs posted by glucegen1