Hobby Electronics Basics

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20 pin ribbon style cable

Anyone have any info on where to possible find a part. I am programming/testing a lot of atmel at90s2313 20 pin DIP soc...
4 comments posted 20yrs
posted by spam
4 comments posted 20yrs posted by spam

Relay problem

John Fields wrote >If the boiler and all the rest of it is brand new, and you wired it >together and it doesn't work ri...
2 comments posted 20yrs
posted by capnfishytakethisout
2 comments posted 20yrs posted by capnfishytakethisout

LM324 - IR Sensor

I built the circuit below with the IR sensor on the bread board A large bowl of snow was brought inside the house to th...
2 comments posted 20yrs
posted by baskaran
2 comments posted 20yrs posted by baskaran

Rds

I need a blocking diode and charging current sensing into the positive terminal of a twelve volt battery. It occured to...
4 comments posted 20yrs
posted by kellrobinson
4 comments posted 20yrs posted by kellrobinson

IR sensor with LM324

I built the circuit below with the IR sensor on the bread board A large bowl of snow was brought inside the house to th...
2 comments posted 20yrs
posted by baskaran
2 comments posted 20yrs posted by baskaran

small fluorescent light--usable?

I have one of those small energy-saving fluorescent lights that replaces houshold screw-in incandescent bulbs. My carel...
3 comments posted 20yrs
posted by saxum
3 comments posted 20yrs posted by saxum

analog ic layout

i want to do an analog ic layout. where can i learn the technique? or will there be any internet resources for reference...
5 comments posted 20yrs
posted by lakers_192002
5 comments posted 20yrs posted by lakers_192002

Printed Circuit Boards (PCB) - PCB Supplier

ViaFine Electronic & Technology Ltd. deals mainly in the supply of Printed Circuit Boards (PCB), Single-Sided PCB,PTH D...
1 comments posted 20yrs
posted by hiurl
1 comments posted 20yrs posted by hiurl

9 volt alkaline battery

Hello, Technically speaking, at what voltage is a loaded 9 V alkaline battery considered dead? Thank you in advance, Mik...
8 comments posted 20yrs
posted by mike_cicoria
8 comments posted 20yrs posted by mike_cicoria

why is it called BIASED?

either forward biased or reverse biased?
1 comments posted 20yrs
posted by patrick.zou
1 comments posted 20yrs posted by patrick.zou

I zapped my subwoofer with static electricity

I was at my office and a small spark of static electricity from my hand has killed my subwoofer. The unit is UNGROUNDED...
5 comments posted 20yrs
posted by jrs99
5 comments posted 20yrs posted by jrs99

Potentiometer terms

Hi all, I was reading the datasheet for a potentiometer and came across this listed feature: "High resolution 25-turns...
14 comments posted 20yrs
posted by bigschlong
14 comments posted 20yrs posted by bigschlong

Where to buy old ICS

I'm looking for some pieces of UM9287OC. Can someone help me. Where could I look for them? Thank you
3 comments posted 20yrs
posted by jgb-bcn
3 comments posted 20yrs posted by jgb-bcn

IFfrequency2

I know that IF frequency is the difference between the incoming signal and the local oscilator frequency in a frequency...
4 comments posted 20yrs
posted by papageorgiou40
4 comments posted 20yrs posted by papageorgiou40

Simple way to measure inductance?

I have some inductors with unknown inductance and I'm looking for a very simple but reliable method to measure its valu...
18 comments posted 20yrs
posted by Abstract.Dissonance.hotmail.co
18 comments posted 20yrs posted by Abstract.Dissonance.hotmail.co