Hobby Electronics Basics

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Neither parallel nor series

What theorem or method can be applied to calculate the total resistance at point A to B? ----- A ----- | | | | R1 R2 | |...
10 comments posted 22yrs
posted by tatto0_2000
10 comments posted 22yrs posted by tatto0_2000

Flickering Flame circuit

I am building a model village and would like to add a small lighting effect to simulate a candle/flame burning. Is ther...
3 comments posted 22yrs
posted by grahame9
3 comments posted 22yrs posted by grahame9

lightning rod question

Hello, I was wondering why there is a ball on lighting rods? example http://www.period1.com/lightni.jpg I was just wond...
31 comments posted 22yrs
posted by news
31 comments posted 22yrs posted by news

SCSI vs IDE

Hi all, I've all read the descriptions of these 2 bus specifications. Nowhere have I seen electrical specification part...
4 comments posted 22yrs
posted by nansung444
4 comments posted 22yrs posted by nansung444

HELP Muxed a/d

I have a program which reads an ADC0831 via the parallel port. I occurs to me that by using a CD4053 and sending it sig...
1 comments posted 22yrs
posted by logicon
1 comments posted 22yrs posted by logicon

Unstable PIC output - Pins sensitive on touch

Hi, I have a simple LED flasher programmed on a PIC16F877A, but the output of the pin (RC4) is always high unless I say...
5 comments posted 22yrs
posted by quiksilv
5 comments posted 22yrs posted by quiksilv

PCB header pins & connectors for amateur?

Hi Is there available a PCB header pin set, with matching socket which can be assembled by an amateur without expensive...
9 comments posted 22yrs
posted by mark.mcgee
9 comments posted 22yrs posted by mark.mcgee

Circuit synthesis

Does there exist a software which outputs a circuit design for a given input function and output function? Thanks Karan
4 comments posted 22yrs
posted by karan
4 comments posted 22yrs posted by karan

Concept of Dual!?

I'm just learning digital electronics, taking an introductory class. Everything is pretty clear so far, except the conc...
4 comments posted 22yrs
posted by null
4 comments posted 22yrs posted by null

Problem with Electronics Workbench 5

Hi, all. I picked up a copy of Electronics Workbench 5 (got it cheap), it's an old version. When I try to run it, I get...
3 comments posted 22yrs
posted by null
3 comments posted 22yrs posted by null

Pic - Win98 Problem

This is really a Win98 question, so apologies if a bit OT. I am playing with a circuit idea around my PIC 16C74/JW on m...
1 comments posted 22yrs
posted by grahame9
1 comments posted 22yrs posted by grahame9

color changing led problem

I bought some color changing led's. It works well with 9v batteries but when I got home and tried it with 12v (planning...
4 comments posted 22yrs
posted by jpatricks1
4 comments posted 22yrs posted by jpatricks1

Buzzer voltage drop

I have an electronic buzzer (ICC pn: BS2316L-06) I am going to put it into a circuit with some LED's and other componen...
8 comments posted 22yrs
posted by lkj
8 comments posted 22yrs posted by lkj

Bypass caps

Hiya, How do you go about working out the proper value for an emmiter bypass cpacitor in a common emitter amplifier sta...
11 comments posted 22yrs
posted by smevans
11 comments posted 22yrs posted by smevans

phasor to complex

Hi I have calculated the following network using the cosine law. ___SIGGEN (Vs)_ ¦ ¦ ¦--/\/\/\/\-----¦ ¦----¦ ¦ Vs Vc ¦...
19 comments posted 22yrs
posted by nospam-mail
19 comments posted 22yrs posted by nospam-mail