General Electronics

Thermostat difference?

I wondered if anyone knew if there were, aside from price, bells 'n whistles, major differences between thermostats use...

3 comments posted 21yrs

posted by strawblond

3 comments posted 21yrs posted by strawblond

Idea

Hi, I have an idea about an electronic device which I do not know whether it has marketing value. I want to make a POS...

9 comments posted 21yrs

posted by leonlai2k

9 comments posted 21yrs posted by leonlai2k

Who has got any experience with InfoRelation and can advice me.

Hallo anybody! I am a journalist and I am writting an article about a new, interesting, rapidly growing webservices. No...

1 comments posted 21yrs

posted by inforelation55

1 comments posted 21yrs posted by inforelation55

Mount a graphical LCD module

Hi, What is the usual ways to mount a graphical LCD module to the case? I have thought 2 ways: 1.Use copper rods to mou...

1 comments posted 21yrs

posted by leonlai2k

1 comments posted 21yrs posted by leonlai2k

OT Bookcase Repair problem

Subject: Bookcase with Shelves supported by brass pins into 1/4" holes drilled in side walls of bookcase body (oak plyw...

68 comments posted 21yrs

posted by thegreatone

68 comments posted 21yrs posted by thegreatone

110v ac switching PS conversion to 220v

Hi, Anyone got any pointers for the conversion of a switching power supply designed for 110v to 220v?. The PS uses a Fa...

6 comments posted 21yrs

posted by fcassia

6 comments posted 21yrs posted by fcassia

Metal or plastic case

Hi, Could anyone give me information of roughly the price to make a case for a device which is about 6cmx6cmx3cm and ha...

6 comments posted 21yrs

posted by leonlai2k

6 comments posted 21yrs posted by leonlai2k

Circuit Design Help/Schematics Needed

Hi all, I am trying to find a circuit that will allow me to automatically dim an incandescent load (i.e. reduce voltage...

13 comments posted 21yrs

posted by Someone

13 comments posted 21yrs posted by Someone

I Need To Trigger a Relay When an LED Lights Up On a Smoke Detector

I Need To Trigger a Relay When an LED Lights Up On a Smoke Detector My goal is to use simple battery operated combinati...

2 comments posted 21yrs

posted by jean

2 comments posted 21yrs posted by jean

GM CLT (Coolant Temperature Sensor)

I went snooping around under the hood, and discovered that someone had done some re-wiring. The CLT screwed into the en...

1 comments posted 21yrs

posted by jon8338

1 comments posted 21yrs posted by jon8338

Design Services

Hi, We are an engineering company that specializes in: - Micro-Electro-Mechanical Systems (MEMS) Design - PCB Design -...

0 comments posted 21yrs

posted by jalinous

0 comments posted 21yrs posted by jalinous

Got a bad battery, I think

I've got six NiMH rechargeable AA batteries, all the same brand and rated capacity, a one-hour charger, and a flashligh...

2 comments posted 21yrs

posted by reply_in_group

2 comments posted 21yrs posted by reply_in_group

Multiplex signals and cameras?

Hi all, I need to combine several analog signals (DC voltage swing from 0V to 12VDC, from switches, relays, etc.) and s...

1 comments posted 21yrs

posted by Robert

1 comments posted 21yrs posted by Robert

Mobile toy

Help! I'm stumped trying to figure this out. My sister has one of those perpetual motion thigamajigs. It's a pendulum,...

13 comments posted 21yrs

posted by r_delaney2001

13 comments posted 21yrs posted by r_delaney2001

Display brightness

Can anyone give me an idea how bright an LED needs to be in order for it to be clearly seen in sunlight? Is 20,000 ucd e...

0 comments posted 21yrs

posted by colin.watters

0 comments posted 21yrs posted by colin.watters