Hobby Electronics Basics

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74HC4060

Hi everyone, I would like to know if there really is a Schmidth trigger inverter (or whatever gate) in this chip just b...
4 comments posted 22yrs
posted by a
4 comments posted 22yrs posted by a

Need Help With My First Electronics project

I have completed assembly of a guitar effects box off of a schematic but don't know where to hook up the 9volt power or...
1 comments posted 22yrs
posted by ag2217
1 comments posted 22yrs posted by ag2217

How to print my own PCB?

Hi I am looking to build a basic heating system using the attached design. It incorporates a 555, a variable resistor,...
2 comments posted 22yrs
posted by mr_carl_gilbert
2 comments posted 22yrs posted by mr_carl_gilbert

8b/10b

Hi, What is the meaning of DC balance in 8b/10b? Any good tutorial on 8b/10b encoding ? I search through google but cant...
3 comments posted 22yrs
posted by tatto0_2000
3 comments posted 22yrs posted by tatto0_2000

LED

I have a FR200 radio with a light bulb attached. I am looking to hook up a LED that is the best energy miser. I am usin...
11 comments posted 22yrs
posted by hnix
11 comments posted 22yrs posted by hnix

Computer interface

Jus wondering... if i have a circuit connected to the parallel port of a PC and lets say at some point I decide to give...
2 comments posted 22yrs
posted by ronaksh
2 comments posted 22yrs posted by ronaksh

IC Test Clip Harness

Does anyone know where to buy a 28 pin DIP to single row IDC ribbon cable. I have pictures if anyone can help. Thank you...
0 comments posted 22yrs
posted by jrojas
0 comments posted 22yrs posted by jrojas

Normal epoxy or polyester resins for potting?

I'v googled this but didn't come up with any useful information. Can normal (intended for use with fiberglass) epoxy or...
5 comments posted 22yrs
posted by nospam.emil.johnsen
5 comments posted 22yrs posted by nospam.emil.johnsen

Dimmer through mosfet?

Would a construction like this: 220V AC --> Fullwave rectifier --> Capacitor --> 1xPowerFet --> Capacitor --> Resistive...
15 comments posted 22yrs
posted by pbdelete
15 comments posted 22yrs posted by pbdelete

Building Hand Held Game Question

Not sure if this is the right place for this, but does anyone have any good links on how to build a hand held game? Lik...
1 comments posted 22yrs
posted by john_20_28_2000
1 comments posted 22yrs posted by john_20_28_2000

embedded chip question

I have a game I took apart and on the pcb it has: OPCVO 76021300 9712 REV.B These turn nothing up in Google. If I want...
3 comments posted 22yrs
posted by john_20_28_2000
3 comments posted 22yrs posted by john_20_28_2000

Need to trigger sound playback device

I am building a Halloween prop and I'd like to add sound to it. I was looking at this cheap solution: http://www.sonic....
8 comments posted 22yrs
posted by Mitch
8 comments posted 22yrs posted by Mitch

What's this inductor doin'?

Hi everyone, Below you will find my attempt to show in text-form, a circuit fragment from a 145Mhz amplifier: ---------...
66 comments posted 22yrs
posted by smevans
66 comments posted 22yrs posted by smevans

hall effect switch question

Based on this description at http://www.allelectronics.com/cgi-bin/category.cgi?item=UGN-3030T I can't tell if the sens...
3 comments posted 22yrs
posted by smpaladin
3 comments posted 22yrs posted by smpaladin