Hobby Electronics Basics

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Voltage variations damage?

Have just received by post a 'Fone Storm' car charger for a Huawei Ascend g300 phone. I wanted to check the specs to se...
5 comments posted 13yrs
posted by tgh6h5t6tu5nzh
5 comments posted 13yrs posted by tgh6h5t6tu5nzh

Arduino choices

Want to buy an Arduino. Too many choices that I don't understand. Prices all seem to be nearly the same. Arduino will b...
23 comments posted 13yrs
posted by ivanvegvary
23 comments posted 13yrs posted by ivanvegvary

White LEDE strobe circuit link

See this link: http://www.extremecircuits.net/2010/06/stroboscope-uses-white-leds_17.html for a circuit to strobe white...
14 comments posted 13yrs
posted by etpm
14 comments posted 13yrs posted by etpm

White LEDs for strobing?

I was thinking about making a little battery powered strobe using one of the really bright white LEDs now available. Bu...
13 comments posted 13yrs
posted by etpm
13 comments posted 13yrs posted by etpm

74HC4046 Model Development

I have posted a first-pass attempt at a 74HC4046 model at... http://www.analog-innovations.com/SED/HC4046_SUB.zip This...
23 comments posted 13yrs
posted by To-Email-Use-The-Envelope-Icon
23 comments posted 13yrs posted by To-Email-Use-The-Envelope-Icon

increasing current capability of a lamp dimmer

I would like to use a lamp dimmer to control an infrared heater. The heater is 1500 watts, and the biggest (cheap) dimm...
4 comments posted 13yrs
posted by jcms985
4 comments posted 13yrs posted by jcms985

Detecting best path?

I'm a writer, and although I keep telling myself I'm still an electronics amateur, I haven't actually touched a solderi...
41 comments posted 13yrs
posted by noreplies
41 comments posted 13yrs posted by noreplies

Call for Paper : IJESET

International Journal of Engineering Sciences and Emerging Technologies (IJ ESET) is a reputable venue for publishing n...
0 comments posted 13yrs
posted by ijeset.editor
0 comments posted 13yrs posted by ijeset.editor

Dubbing Buss

Hi, I have just dropped in to see if I can find out more about the problem I am trying to solve. I am putting together...
2 comments posted 13yrs
posted by mybaconbutty
2 comments posted 13yrs posted by mybaconbutty

Wa-a-ay OT: Overlay to make a cable "coiled"

Back when I was a kid (nearly 3/4 of a century ago :-) there used to be plastic coils that could be applied to a straig...
8 comments posted 13yrs
posted by To-Email-Use-The-Envelope-Icon
8 comments posted 13yrs posted by To-Email-Use-The-Envelope-Icon

Plastic capacitor for camera flash tube?

I'd like to experiment with a camera flash tube but cannot easily obtain a proper photoflash capacitor, not even one fr...
23 comments posted 13yrs
posted by dontspam
23 comments posted 13yrs posted by dontspam

BJT Amplifier Output Votlage Swing

I'm having a hard time understanding the "negative swing" of a common-emitter amplifier. There is a website called thes...
12 comments posted 13yrs
posted by panfilero
12 comments posted 13yrs posted by panfilero

Discrete TRIAC Suggestion?

Back dabbling in the discrete world... I need a TRIAC: 450Vmin (peak) standoff 3Amp Peak, but non-repetitive Irms ~ 100...
31 comments posted 13yrs
posted by To-Email-Use-The-Envelope-Icon
31 comments posted 13yrs posted by To-Email-Use-The-Envelope-Icon

Anyone make this USB adapter?

Anyone make this USB adapter? USB type B Male to USB type B Female, RIGHT ANGLE in the horizontal plane, label side UP....
9 comments posted 13yrs
posted by To-Email-Use-The-Envelope-Icon
9 comments posted 13yrs posted by To-Email-Use-The-Envelope-Icon