Hobby Electronics Basics

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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 14yrs
posted by To-Email-Use-The-Envelope-Icon
9 comments posted 14yrs posted by To-Email-Use-The-Envelope-Icon

Xenon or Led ?

I was told by a professional that xenon light used in the fire warming systems cannot be replaced by led light due to t...
2 comments posted 14yrs
posted by mowhoong
2 comments posted 14yrs posted by mowhoong

radio antenna ?

My country has only one radio broadcast station with different channel playing music,news,etc. Why is it that I need to...
5 comments posted 14yrs
posted by mowhoong
5 comments posted 14yrs posted by mowhoong

Discrete Transistor Equivalents/Crosses

Discrete Transistor Equivalents/Crosses for these devices... XN04401 TRXN4501 I'm search for equivalent devices that al...
3 comments posted 14yrs
posted by To-Email-Use-The-Envelope-Icon
3 comments posted 14yrs posted by To-Email-Use-The-Envelope-Icon

AC Cap Dropper DC Power Supply

AC Cap Dropper DC Power Supply Anyone know of a clever way to regulate other than the typical brute-force zener clamp?...
88 comments posted 14yrs
posted by To-Email-Use-The-Envelope-Icon
88 comments posted 14yrs posted by To-Email-Use-The-Envelope-Icon

Non-metalic NEMA box--Observatory

My observatory story continues. I've been getting some tips from a guy in Hawaii about how to proceed over the last 4 m...
14 comments posted 14yrs
posted by wolftracks
14 comments posted 14yrs posted by wolftracks

do snubbers apply for solid state switches

I was wondering, if I'm using FETs to switch on/off 100V at 10A. Do I need some kind of snubber circuit for my FET? Or d...
6 comments posted 14yrs
posted by panfilero
6 comments posted 14yrs posted by panfilero

USB Mechanical Switch?

I'm going to wear out my USB hub plugging in my head-set for Skype calls, then unplugging to return to PC speakers. Doe...
36 comments posted 14yrs
posted by To-Email-Use-The-Envelope-Icon
36 comments posted 14yrs posted by To-Email-Use-The-Envelope-Icon

12 volts to 48 volts for an electric bicycle

I got a used 36-volt Crystalyte hub motor and controller from Craigslist. (The guy who sold it to me said they can take...
27 comments posted 14yrs
posted by mrdarrett
27 comments posted 14yrs posted by mrdarrett

Microcontroller operating in 70 celcius

Hello, In my project, my microcontroller may have to operating in +70 celcius C.Will this temperature influence the boa...
7 comments posted 14yrs
posted by jinnia88
7 comments posted 14yrs posted by jinnia88

What's the Big Deal With Load Leveling?

You'd thing the info age would have made load leveling less of a problem. Instead it seems to have had the opposite effe...
9 comments posted 14yrs
posted by BretCahill
9 comments posted 14yrs posted by BretCahill

Current regulator

Hi. I need to create some kind of charger. The "charger" will be powered from dc source ( 1,5 AA battery ). The voltage...
36 comments posted 14yrs
posted by nescafe
36 comments posted 14yrs posted by nescafe

Distributing the Battery All Over the Motor Vehicle

Or similar approaches like making the body or shell the battery would just increase exposure and not really reduce the r...
0 comments posted 14yrs
posted by BretCahill
0 comments posted 14yrs posted by BretCahill