Hobby Electronics Basics

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voltage drop at power source -what is happening?

I have a circuit that is supposed to run on 9V. When I connect my 9V (well regulated) power supply to the plug Im only...
8 comments posted 21yrs
posted by anonymous
8 comments posted 21yrs posted by anonymous

Radar Jammers

Is it possible to build your own WORKING radar jammer? and does anyway have any schematics????
2 comments posted 21yrs
posted by harvz
2 comments posted 21yrs posted by harvz

UV LEDs die fast?

Out of a batch of 50 UV LEDs two have "died" somehow. With the first one I thought it was a bad connection, so I re-sol...
4 comments posted 21yrs
posted by postmaster
4 comments posted 21yrs posted by postmaster

Crimper

Can someone recommend an inexpensive ( < $25) crimper for the connectors on mouser catalog page 888? http://www.mouser.c...
3 comments posted 21yrs
posted by 1qazse4
3 comments posted 21yrs posted by 1qazse4

clueless about relays

I'm trying to set up a digital temperature controller for a kiln. I have the controller & it outputs 22.5 volts DC. I w...
8 comments posted 21yrs
posted by elbrecht
8 comments posted 21yrs posted by elbrecht

Problem with PSpice Simulation

I'm having trouble with a PSpice simulation for a relaxation oscillator posted in a previous message on sci.electronics...
1 comments posted 21yrs
posted by slave
1 comments posted 21yrs posted by slave

Simple Circuit

Hello, This is my first time posting to USENET. I was wondering if anyone could help me figure out if I have the correc...
13 comments posted 21yrs
posted by henszey
13 comments posted 21yrs posted by henszey

PIC10F20x UK availability

Hi, Does anyone know where I can get hold of the surface mount version of the PIC10F series here in the UK ? Crownhill...
0 comments posted 21yrs
posted by tim.duke
0 comments posted 21yrs posted by tim.duke

Need help with schematic for jdm pic programmer

Does anyone know how the circuit diagram of the jdm pic programmer work? How is it possible that Vdd is connected to GN...
2 comments posted 21yrs
posted by lessie
2 comments posted 21yrs posted by lessie

Multiple Input Rectifier

Is there such a thing (or method) of taking multiple AC signals and converting them to DC (similar to what a bridge rec...
11 comments posted 21yrs
posted by sethier
11 comments posted 21yrs posted by sethier

power supply hookup

I just got this power supply today http://www.allelectronics.com/cgi-bin/category.cgi?category=480&item=PS-637&type=sto...
1 comments posted 21yrs
posted by 1qazse4
1 comments posted 21yrs posted by 1qazse4

UCN5804 stepper driver replacement

I am looking for a unipolar stepper motor driver. UCN5804 was a popular one for this but is discontinued. Does anybody...
7 comments posted 21yrs
posted by aman.bindra
7 comments posted 21yrs posted by aman.bindra

Newbe 8 leds connected to 120 volt ac

Hi, Let me start by saying that I know very little about electronics,but I would like to know how to hook up 8 white le...
18 comments posted 21yrs
posted by Randy2747
18 comments posted 21yrs posted by Randy2747