Hobby Electronics Basics

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DA100 Thurlby RS232 Analyser Manual?

Would anyone know the whereabouts of a .pdf or alike for the TTI DA100? Here's some blurb about the device (this link m...
3 comments posted 20yrs
posted by techie_alison
3 comments posted 20yrs posted by techie_alison

Manage parallel port output

Respected Members, I'm trying to control devices using parallel port. But how can i split the 8 bit digital output to 2...
8 comments posted 20yrs
posted by sandeepchirayil
8 comments posted 20yrs posted by sandeepchirayil

FM transmitter question?

I Just bought an fm transmitter and since i hate the stupid plug and all the wires i hard wired it to the car. first is...
2 comments posted 20yrs
posted by mtejada4
2 comments posted 20yrs posted by mtejada4

BCD Counter

After getting flamed for not cross posting last time, Ive learned the error of my ways. With some great help, I was abl...
13 comments posted 20yrs
posted by mirza1867
13 comments posted 20yrs posted by mirza1867

help on Inductive Sensor

I'm trying to connect a 3-wire NPN inductive sensor, 10 to 30v, and I need to get a 5v output. If someone has an idea o...
3 comments posted 20yrs
posted by sngarcia
3 comments posted 20yrs posted by sngarcia

video home monitoring kit questions

I got a video surveillance kit from Wal-Mart for about $45. It has a simple camera, a black-and-white screen (about 5 o...
5 comments posted 20yrs
posted by onehappymadman
5 comments posted 20yrs posted by onehappymadman

+12V? -12V?

Really basic question. What is usually meant by -12VDC? I thought that if you have a 12V battery, one end is +12V, and t...
6 comments posted 20yrs
posted by onehappymadman
6 comments posted 20yrs posted by onehappymadman

Project Suggestion

Hello everyone. I am a first year freshman in BE electronic engineering. We have a project to handle. The project is to...
8 comments posted 20yrs
posted by h.irfan
8 comments posted 20yrs posted by h.irfan

Converting dBs into dBms?

Hi there, how can I convert a value in dBs into dBms (and other way around)? As far as I remember, it was something lik...
5 comments posted 20yrs
posted by noemail
5 comments posted 20yrs posted by noemail

Download of Multisim components?

Does anyone know of a site where I can download free Multisim component models? Specifically, I need the model for a 1...
1 comments posted 20yrs
posted by null
1 comments posted 20yrs posted by null

Need a bit of help with a vcr circuit

I have to make a circuit that simulates how a vcr works. Right now play, stop and forward work. But, I dont know how to...
6 comments posted 20yrs
posted by mirza1867
6 comments posted 20yrs posted by mirza1867

Quick DC-DC Question - 35V to 12V?

Can anybody let me know the easiest way to drop 35V DC to 12V DC? All I need is 85mA. I could easily drop that load to...
14 comments posted 20yrs
posted by spambox
14 comments posted 20yrs posted by spambox

cmos

in CMOS when we are keeping source and substrate at ground potential then inversion layer is formed ,,,,,,how it is pos...
1 comments posted 20yrs
posted by abhishek.4mail
1 comments posted 20yrs posted by abhishek.4mail

Looking for Audio Circuit

Hello all, This is my first post here, so please excuse should I not follow accepted protocol on this newsgroup. My "pr...
5 comments posted 20yrs
posted by weingart
5 comments posted 20yrs posted by weingart