General Electronics

Protecting circuits from moisture

Hello all, I constructed a simple microcontroller circuit that is part of a kiosk-type information display. It will be...

2 comments posted 21yrs

posted by deneb

2 comments posted 21yrs posted by deneb

8051 Development Board / 89C51 / MCS51 / 8052

8051 Development Board / 89C51 / MCS51 / 8052 After searching for ages for an 8051 board I can develop stuff on I final...

3 comments posted 21yrs

posted by nospam

3 comments posted 21yrs posted by nospam

PSU Charge Dissipation

Excuse me if this is the wrong group? I have an old home computer PSU and I want to remove the electronics temporarily...

1 comments posted 21yrs

posted by ignore

1 comments posted 21yrs posted by ignore

Power Saver

Hi, What does the so called "power saver" works. Is it effective?? It's a device where you put in the aircon breaker so...

5 comments posted 21yrs

posted by cosmoextremepsix

5 comments posted 21yrs posted by cosmoextremepsix

twist sensitive resistor?

I have science project that involves measuring a small torque, or twisting force. Is there a torque sensitive resistor...

5 comments posted 21yrs

posted by davidwhyte

5 comments posted 21yrs posted by davidwhyte

Identifying an SO-8...

Hi, I'm trying to identify an SO-8 component - the only markings are "I-0382" and "9822" - no logos etc. I suspect its...

2 comments posted 21yrs

posted by mdeblis

2 comments posted 21yrs posted by mdeblis

Fun Electronics

Hi, I've recently helped launched a site called Fun Electronics at www.fun-electronics.com. I was wondering what you al...

0 comments posted 21yrs

posted by chucksmith

0 comments posted 21yrs posted by chucksmith

resistance of copper vs frequency

Hi all, Is there any simple way to work out what the resistance of a copepr trace would be, based on its length, thickn...

3 comments posted 21yrs

posted by exxos

3 comments posted 21yrs posted by exxos

game problem

good day!! i have installed grand prix 4 in my computer. I tried to play it. the starting screens are ok. when i click...

2 comments posted 21yrs

posted by cheian07

2 comments posted 21yrs posted by cheian07

Current Sources

hello, I have an interesting problem for you guys , I hope that you will advice me on it. I used the circuit diagram of...

12 comments posted 21yrs

posted by conphiloso

12 comments posted 21yrs posted by conphiloso

new electronics parts and supplies store

New electronics parts and supplies store. Discrete components, shop supplies, parts and more. Somewhat still under const...

0 comments posted 21yrs

posted by celstuff

0 comments posted 21yrs posted by celstuff

Question about making things "Turbo" or pulsing.

I need to make a swith send a pulsing signle. Low voltage for a video game constoller. Can this be done with resistors o...

7 comments posted 21yrs

posted by teknogeek1300

7 comments posted 21yrs posted by teknogeek1300

Current Limiter

Hi, For example I want to set the current limit of the input to say 10 Ampere. What kind of component can I put between...

9 comments posted 21yrs

posted by cosmoextremepsix

9 comments posted 21yrs posted by cosmoextremepsix

low pass filter

Hi all, I'm trying to design a low pass filter, though no matter what values I use I seem to flatten the signal line :-...

8 comments posted 21yrs

posted by exxos

8 comments posted 21yrs posted by exxos

mosfet gate driving problem

Hi all, I have a problem when driving a mosfet via gate driver IC's. The input wave has some noise on it and its causin...

7 comments posted 21yrs

posted by exxos

7 comments posted 21yrs posted by exxos