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Basic Electronics

These groups are the best place to ask your basic electronics beginner questions or help other people just starting out with electronics

Hobby Electronics Basics

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Non Ohmic Constant Voltage Drop "Resistor"

by Bret Cahill
Most resisters follow ohm's law. The higher the current the greater the voltage drop. Is there any passive device in electronics where the voltage drop is constant no matter the current? Bret Cahi... read more »

Electronic Components

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ORP12 etc Cd-S LDR and the RoHS directive.

by Ian Field
Seems like I can't get a definitive answer from Google as to whether Cadmium-Sulphide light dependant resistors are RoHS exempt or not. Someone on another forum thinks they may have seen a note on... read more »

Electronics Down Under

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TinyChip Designs

by braden nelson
link: https://groups.google.com/forum/#!forum/tinychip-designs-group read more »

Electronics Equipment

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Raspberry Pi sound card problem

by tareqmatarr
I want to process the signals of five electret condenser microphones with raspberry pi and i since the RPI has no audio inputs im thinking of using a sound card. Im looking for a sound card with fiv... read more »

General Electronics

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Voltage mode control and One cycle control

by Patrick Chung
Voltage mode control is not as fast as current mode control, but it is applicable in wider load range. One cycle control if further improvement of voltage mode control. Read more. http://www.cirvir... read more »

Advanced Electronics

These forums contain more advanced topics which are most suitable for people with some experience in electronics. Start a dicussion here if your topic is not basic and does not fit into another, more specific category

Electronics Computer-Aided Design

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[CfP] 5th International Workshop on Model-driven Approaches ...

by daniele
################################################################# 5th International Workshop on Model-driven Approaches for Simulation Engineering part of the Symposium on The... read more »

Electronics Design

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Snap one grid of points to a new grid

by mpm
Somewhat off topic, but maybe someone here knows a numerically inexpensive way to do this: I have (x,y,z) data - about 1.6 million points. (maybe more) The (x,y) is somewhat regularly spaced alrea... read more »

Electronics Repair

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Lost fob for keyless car door locking system

by Amanda Riphnykhazova
Any one got any ideas as to how to identify the frequency for the lock/unlo ck function? And if I do, how easy is it to find another transmitter at th at frequency which controls a simple on/off s... read more »

Field-Programmable Gate Arrays

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NetCPU or DotNetCPU DB200 anyone?

by glen herrmannsfeldt
I have a DB200 that seems to be from NetCPU, or dotnetcpu.com, though the domain seems not to exist. Pretty much nothing comes out in a google search. It would be nice to know the processor (it is... read more »

Microcontrollers

These forums contain discussions about microcontrollers, their application and programming with topics ranging from LED blinking to embedded operating systems.

Embedded Programming

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Intel Atom: pros/cons/hazzards?

by Don Y
Hi, I've rescued a couple of Atom-based SBC's. Essentially diskless workstations. Am I correct in assuming these are just yet-another-x86? Are there any downsides/upsides/problems to watch for ... read more »

Embedded Linux

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Beagle Bone / Debian ADC Driver?

by Randy Yates
Hi Folks, I need to sample multiple input lines on the BBB (rev. c) ADC peripheral at a relatively low rate, perhaps 1 kHz, and do some simple filtering and detection. Is there a kernel mode driv... read more »

Microcontroller Discussions

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Microchip Forums upgrade borked

by Ian Malcolm
Well its been about 24 hours now and the upgraded forum is still unusable http://www.microchip.com/forums/ Without a usable forum, Microchip are just another manufacturere with a crappy website .... read more »

Raspberry Pi Group

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What's about DVD movies?

by Unknown
I've got a USB controlled DVD Reader/Writer, which when plugged into a win7 netbook, just played the movie clips, as I recall from 20 months ago. Since the rPi [Dec. 2012 version] displays so nicel... read more »

International Electronics (BETA)

We provide access to electronics newsgroups in languages other than English. Due to heavy use of technical and scientific terms, these discussions are relatively easy to translate to the language of your choice. Please only post using the particular language of the forum. Please note: support of groups in languages other than English is still in BETA. Some features, such as post and reply for example, are not currently working in the international forums

Electronics (German)

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Platinenvorlagen aus dem Laserdrucker

by
Hi, einen ft im Schwarz schon eine recht passable Deckung. Mein Laserdrucker ist a n neuen read more »

Electronics (Spanish)

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ayuda con analisis de un transistor de potencia

by
muy buenos dias intengrantes del foro, me gustaria un poco de asesoria con una investigacion que nos dejaron en la U. inicialmente entramos a la elect ronica pero con ejemplos numericos, ahora nos... read more »

Electronics (Croatian)

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Kul kinezi

by
Uzeo ovo, kad sam pokazao frendovima svi se zapalili... www.ebay.co.uk/itm/161236002507 za cca 20 kn sa besplatnom postarinom super lampa... bas super svjetli (mislim koliko mozete ocekivati od 1... read more »

Electronics (Dutch)

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sony dat recorder dtc 57 es opwindgedeelte draait soms niet...

by
Ik heb een sony dat recorder dtc 57 es en het opwindgedeelte draait soms niet. Is er een mogelijkheid de spanning daarvan te verhogen? read more »

Electronics (Polish)

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opozniony led

by
Powiedzcie - skad maniera zeby zarowki LED startowaly z opoznieniem ? mija zanim sie racza zapalic. O co tu chodzi - unia zakazuje ? J. read more »

Electronics (Swedish)

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En fundering över 'Donald Cook' och högteknologi

by
internationellt vatten i Svarta havet. Det har kommit uppgifter om att riskera livet. http://sdelanounas.ru/index.php?module=Blogs&action=View&id=48815 read more »

Electronics (Danish)

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"Re: 1 kW RF power LDMOS destruction test by bad SWR"

by
Se youtube videoen :-) (fra sci.electronics.design ): > On Wed, 17 Sep 2014 12:58:03 GMT, Jan Panteltje > >> 1 kW RF power LDMOS destruction test by bad SWR >> >> https://www.youtube.com/w... read more »

Microcontrollers (Russian)

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Rules

by
(fido7.)su.hardw.other http://crutch.fatal.ru/?s=ru_embedded read more »

Electronic Circuits (Russian)

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attiny26 зарядное

by
Hello All! http://www.solarskit.wz.cz/tinych.html http://dr-shost.com/files/tinych.c Sasha http://dr-shost.com http://shostatsky.narod.ru [Team OS/2][Team EDSMO] read more »

Electronics Hobby (Italian)

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Rilevamento ID per oggetti in acciaio inox

by
Dispongo di numerose teglie in acciaio inox per uso alimentare perfettament e lisce e devono rimanere tali, praticamente degli specchi. rimenti sanificabile e liscio. del netto su ogni teglia per ... read more »