General Electronics

How many times can you change the pin on a electric grarage door?

To deture some one from intering my grarage I change the pin or reset the combanation all most every day. What will thi...

1 comments posted 19yrs

posted by myspirit2000

1 comments posted 19yrs posted by myspirit2000

Insulation voltage in spec EN61558

Hi, My historic Tek 547 scope developed a short in the main transformer between CRT filament winding and shield. I'd li...

0 comments posted 19yrs

posted by mnieuw

0 comments posted 19yrs posted by mnieuw

Thallium in electronic components ?

Seeing reporting of the spy poisoning case in London , the BBC mentions it is used in electronic components. Other than...

4 comments posted 19yrs

posted by diverse8

4 comments posted 19yrs posted by diverse8

Enamalled copper wire

Ladies and Gents, A collegue of mine in our workshops needs a long length of 0.5mm enamelled copper transformer wire, b...

26 comments posted 19yrs

posted by bob

26 comments posted 19yrs posted by bob

Need a relay recommendation

I need a recommendation for a relay. My timer outputs +5vdc for 30ms when the timer goes off. I need a relay that will...

17 comments posted 19yrs

posted by cenglish

17 comments posted 19yrs posted by cenglish

Dropping resistor

I just bought a pr. of amplified speakers,{small} only 30 wattr rms.I am putting these on my bike which is 12dc. The po...

6 comments posted 19yrs

posted by conntaxman

6 comments posted 19yrs posted by conntaxman

Can anyone assist?

Hi chaps, hope someone here can help me either design a unit or build one for me. i have mains powered interlinked smok...

8 comments posted 19yrs

posted by r.p.mcmurphySPAM

8 comments posted 19yrs posted by r.p.mcmurphySPAM

How can I secure my house.

I have been trying to secure my house and have not been sucessful. I have tried all the locks on the market with no luc...

4 comments posted 19yrs

posted by myspirit2000

4 comments posted 19yrs posted by myspirit2000

Tips on routing this high density/high current board? I'm stuck - any ideas?

I am building a display consisting of a series of seven 5x7 LED dot matrix displays, butted up against one another. The...

18 comments posted 19yrs

posted by ferrari.secret.santa

18 comments posted 19yrs posted by ferrari.secret.santa

rf bandpass filters 2.4GHz

Hi all, I am transmitting in channel 3 of 802.11b, centered at 2.422Ghz. Details aside, let me just say that it is very...

7 comments posted 19yrs

posted by kevin.pavin

7 comments posted 19yrs posted by kevin.pavin

future of lcd monitor

what is future of lcd monitor? are you know about it information?

6 comments posted 19yrs

posted by krunal_chauhan123

6 comments posted 19yrs posted by krunal_chauhan123

Re: Today, I had the misfortune

> I'm back from vacation (I live in the UK nowadays :) - I was trying to > deal with something a cow-orker hosed up. >...

46 comments posted 19yrs

posted by ms

46 comments posted 19yrs posted by ms

DVD/VCR combo - universal remote programming

I have a Phillips DVD/VCR combo which I lost the remote control. I was able to program a universal remote to on/off its...

3 comments posted 19yrs

posted by tedqn

3 comments posted 19yrs posted by tedqn

vacuum insulated electric kettles ?

With all the push towards lower power consumption in home appliances, like new standards for standby power consumption...

5 comments posted 19yrs

posted by not.valid

5 comments posted 19yrs posted by not.valid

Teac X-7R capstan stalling

I just replaced the belt with a PRB generic. Now about half the time I have to nudge the flywheels to get the capstans...

1 comments posted 19yrs

posted by nakman8

1 comments posted 19yrs posted by nakman8