Hobby Electronics Basics

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Tutorial on Programmable Logic Devices?

Can anyone point me in the direction of some tutorials on PEEL's. I just picked up a couple of Z80 processor boards on...
2 comments posted 21yrs
posted by remove_me_david_nugent
2 comments posted 21yrs posted by remove_me_david_nugent

Odd Question About Circuit Board

I recently bought some parts kits from a company called NIGHTFIRE. I don't have much experience playing around with cir...
4 comments posted 21yrs
posted by kkinderen
4 comments posted 21yrs posted by kkinderen

Bare wire inductor

Hi, I have seen some RF transmitters (315MHz) PCB that there are some inductor components which uses bare wires of 2.5...
1 comments posted 21yrs
posted by eehobbyist
1 comments posted 21yrs posted by eehobbyist

modulate a signal onto another

Hi all, I have a question about modulating one signal onto another. Take for example a sine wave and an audio signal. T...
4 comments posted 21yrs
posted by no
4 comments posted 21yrs posted by no

Transistor as a relay vs mechanical relay

Just a very basic question: Can anyone share with me what's the benefit of using transistor as an electrical relay comp...
6 comments posted 21yrs
posted by albertleng
6 comments posted 21yrs posted by albertleng

isp at89s8252

i want to try isp in at89s8252 but i don't know how to make connection between computer and device. I mean in avr syste...
1 comments posted 21yrs
posted by denidoank
1 comments posted 21yrs posted by denidoank

Kinks in coiled wire

I tried unsuccessfully to unkink several telephone handset cords and wound up replacing them inexpensively. A kink occu...
2 comments posted 21yrs
posted by cprstn54zz
2 comments posted 21yrs posted by cprstn54zz

Wireless USB

Have a camera that uses USB cable. What would I need to replace USB cable with a wireless connection? thanks Beowulf
4 comments posted 21yrs
posted by none
4 comments posted 21yrs posted by none

Earthing in TV

I just bought a new TV and found 1. it had no earthing pin in its power cable (only Phase and Neutral were there) 2. it...
22 comments posted 21yrs
posted by siliconmike
22 comments posted 21yrs posted by siliconmike

SWR meter

Does anyone know if the Akigawa Electronic Corporation SWR meter Model SWR.9 work on 2 meters (144-148 MHz)? Thanks. Rob...
0 comments posted 21yrs
posted by cw527
0 comments posted 21yrs posted by cw527

A14F diode - equivalent?

What's a good, modern-day equivalent to the A14F diode? I've got two to replace on a 27 year old PCB. Thanks
1 comments posted 21yrs
posted by max-man
1 comments posted 21yrs posted by max-man

FLUKE/PHILIPS PM3585 PM3580 - Help me!

Help me ! I'm urgently looking for software for Logic Analyzer Fluke/Philips PM3585 Few days ago I've received analyser...
0 comments posted 21yrs
posted by marantz1
0 comments posted 21yrs posted by marantz1

Volts

How is a volt defined. If a 9 volt battery can start a car,creating a very large current how does it differ from a 9 vo...
15 comments posted 21yrs
posted by j.michael
15 comments posted 21yrs posted by j.michael

Min voltage drop in silicon rectifier?

I want to isolate flooded lead acid batteries from each other using power rectifiers like these: http://www.ruttonsha.c...
4 comments posted 21yrs
posted by cprstn54zz
4 comments posted 21yrs posted by cprstn54zz