General Electronics

Button Cell Frenzy

I bought a couple of the key fob blinkies that have three LEDs, red, green adn blue, and you push the button and it pla...

10 comments posted 22yrs

posted by NOSPAM

10 comments posted 22yrs posted by NOSPAM

Simple "alarm + remote control for GSM" with PIC

I have realized a alarm + remote control for GSM with a PIC. If you want to realize it free of charge, this being my sit...

1 comments posted 22yrs

posted by contact

1 comments posted 22yrs posted by contact

CRT WANTED: A68ESF00ZX011

I need this crt for the following tv in good condition. Make: Philips Model: 29PT6773/05 Chassis: MD1.2E AA

0 comments posted 22yrs

posted by spal508596

0 comments posted 22yrs posted by spal508596

Re: Low lux colour CMOS cameras?

One more question: Am I getting confused by the physics? In other words, if I have a white light source of, say, 1W, wi...

1 comments posted 22yrs

posted by d.kellyNOSPAM

1 comments posted 22yrs posted by d.kellyNOSPAM

Low lux colour CMOS cameras?

Hi again, Does anyone know of a miniature color PAL CMOS camera sensative to 1 Lux or less? I have found very sensitive...

2 comments posted 22yrs

posted by d.kellyNOSPAM

2 comments posted 22yrs posted by d.kellyNOSPAM

designing a complex circuit

My name is James Wilson and I am a student at Hawarden High school. I am currently studying systems and control and am...

2 comments posted 22yrs

posted by thesherminator88

2 comments posted 22yrs posted by thesherminator88

portable system

I have a little project but am stumped because I know nothing about electronics. Here is the rub: my friend and I are t...

3 comments posted 22yrs

posted by akingqwe

3 comments posted 22yrs posted by akingqwe

logic lists

Hi all, Is there any good 74 series logic lists anywhere, I cant seem too find 1 list on the net anywhere ?! thanks chri...

2 comments posted 22yrs

posted by exxos

2 comments posted 22yrs posted by exxos

74LS14 2 out of 3 aint bad ??

Hi all, I have a simple squarewave going into 3 inputs of inverter gates. 2 of them have outputs and the 3rd does not....

1 comments posted 22yrs

posted by exxos

1 comments posted 22yrs posted by exxos

fit a standard PC power supply into a 19" rack

I can't fit a standard PC power supply into a 19" rack enclosure that I have(it's only about 1.5" high). Where can I so...

8 comments posted 22yrs

posted by bobtheengineer_9

8 comments posted 22yrs posted by bobtheengineer_9

Allegro's A3940 full bridge power controller

Hi, I wonder if anyone has experience with Allegro's A3940 full bridge power mosfet controller. We made a design accord...

0 comments posted 22yrs

posted by swin

0 comments posted 22yrs posted by swin

Capasitor dielectric temperature coefficients

Hi all, What would be the best (more stable) dielectric to use for a device that gets hot and cold regularly? By hot I...

1 comments posted 22yrs

posted by brian.clewer

1 comments posted 22yrs posted by brian.clewer

Fluorescent ballasts interfering with ADSL?

My ADSL has started giving up - at night. Just wondering - are my (or the the council's) electronic ballasats (my house...

3 comments posted 22yrs

posted by peter

3 comments posted 22yrs posted by peter

12-pin cables for CCTV & machine vision cameras $15

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3816139197 I've got lots of these, in lengths from 8 ft to about 25 f...

0 comments posted 22yrs

posted by glarsonjr

0 comments posted 22yrs posted by glarsonjr

rs232 or USB controlled 110v switch

I am looking for a 110v switch controlled either by RS232 or USB. The purpose is to cycle power to my router and DSL mo...

18 comments posted 22yrs

posted by david-del

18 comments posted 22yrs posted by david-del