General Electronics

can an iPod Touch screen be recognized by a laser scanner?

I had this maybe-brilliant idea to consolidate all my cards with barcodes (Safeway, 24-hour Fitness, Petaluma Library,...

4 comments posted 16yrs

posted by john.comeau

4 comments posted 16yrs posted by john.comeau

4-bit Colour DAC R2R values??

Hi, I am building a small computer with a 4-bit 16 colour video output that will go into a monitor that has 1500 ohm im...

1 comments posted 16yrs

posted by google

1 comments posted 16yrs posted by google

Electronic Box

Hello When I make my electronic stuff I often have a problem to get a box to put it in : They are expensive an often in...

1 comments posted 16yrs

posted by emmanuel_robert

1 comments posted 16yrs posted by emmanuel_robert

HF voltage increase

My 2 to 10 gigahertz sig gen has an output of 2.2V,RMS,,,,how can I bring this up to 5 volts NOT rms. Thanks Joe in Texa...

2 comments posted 16yrs

posted by johnbrooks.smith

2 comments posted 16yrs posted by johnbrooks.smith

Cell phone question

Cellular phone questions: Do cellular phones only transmit to the nearest tower, and then at point they go down into th...

2 comments posted 16yrs

posted by burboun_supreme22

2 comments posted 16yrs posted by burboun_supreme22

Multiple DSL connections on one phone line

I have a phone line that enters at one end of a house and has a double plate for the usual 2 phone connections in the r...

17 comments posted 16yrs

posted by JD

17 comments posted 16yrs posted by JD

Seemingly elementary question I can't find a useful answer to...

A situation I've never encountered, so I've never thought about... If I've got a 12 volt lead-acid battery, and, for wh...

16 comments posted 16yrs

posted by dakidd

16 comments posted 16yrs posted by dakidd

Gourmet Gifts made easy by Giftswish.com

Gourmet Gifts Baskets [ Url: http://www.giftswish.com/gift-baskets-gourmet-gift-baskets.html ] Gourmet Gift or Food Gif...

0 comments posted 16yrs

posted by forum.giftswish

0 comments posted 16yrs posted by forum.giftswish

Over the air TV to stop?

I have been seeing ads on the TV stating that there's some kind of movement which supposedly threatens to end over-the-...

13 comments posted 16yrs

posted by jamiegoforth

13 comments posted 16yrs posted by jamiegoforth

Teaching Microcomputer Interfaces: List/Compendium of I/O Designs?

Hi Everyone, I'm looking for websites or books with a number of examples of I/O interfaces for use with typical microco...

5 comments posted 16yrs

posted by terry

5 comments posted 16yrs posted by terry

drop AC voltage question

I have 208 VAC coil voltage relay that I want to operate with 240 VAC. Can I drop the voltage down with a capacitor? If...

4 comments posted 16yrs

posted by jon8338

4 comments posted 16yrs posted by jon8338

WHat will the hottest trends be at this years Consumer Electronics Show in Las Vegas?

While we're gearing up for the upcoming 2010 Consumer Electronics Show, what should we really expect? Will the current...

2 comments posted 16yrs

posted by ga7450

2 comments posted 16yrs posted by ga7450

Solar cells for less than 1 USD per Watt

Do you know that you can find solar cells for less than 1 USD per Watt on www.ebay.com ? Regards.

0 comments posted 16yrs

posted by sustainable.future115

0 comments posted 16yrs posted by sustainable.future115

Piezo buzzer as a sensor connected to the uC ADC

Hi, I want to connect the piezo buzzer as a sensor to the microcontroller. It fact it should be an input device for a s...

0 comments posted 16yrs

posted by wzab

0 comments posted 16yrs posted by wzab

motor question

Does anyone know how to reverse the rotation of an AC motor?

14 comments posted 16yrs

posted by jon8338

14 comments posted 16yrs posted by jon8338