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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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Cheap, but good 2A/30V NPN ?

by Jim Thompson
Cheap, but good 2A/30V NPN ? ...Jim Thompson -- I love to cook with wine. Sometimes I even put it in the food. read more »

Electronic Components

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Film cap identification

by Andre Majorel
Parallelepipedic film cap, pale yellow, lead pitch .4, made in the early nineties : http://www.teaser.fr/~amajorel/xtramix/f/film_caps.jpg 100 nF 5% 160 V presumably. But which dieletric ? PP ? ... read more »

Electronics Down Under

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Re: Wondering

by Jeßus
On Tue, 26 Aug 2014 09:30:44 +1000, Jonz Dunno, but the name Rod Speed came to mind instantly. Or maybe Phalluson... 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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Tripp-Lite PV1250RC. Radio Control

by W. eWatson
As I understand it, there is a remote module, which is for use when it is difficult to reach the inverter. Any details about it? 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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99SE how to close the paste mask over a pad (fiducial)?

by DTJ
I can't for the life of me find how to close the *paste* mask over a pad so the finished pad is not tinned during manufacture. Checking the pad properties there is an (advanced) option for paste m... read more »

Electronics Design

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LTSpice in Windows 7 & 8

by Cursitor Doom
Hi all, Does LTSpice run ok in the newer MS Windows versions? I can't keep a separate XP box for ever so am wondering if it'll run on Win 7 or Win 8. Anyone know? cd --- Diese E-Mail ist frei v... read more »

Electronics Repair

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Hdmi-microusb cable for Samsung s4

by freejazz
Hi, i have a cable as in subjet with an usb plug for supply too. When i watch my movies from smartphone i get rustles and noise and sometimes the video turns off. My cable is not original but it... read more »

Field-Programmable Gate Arrays

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Functional safety guidelines

by Tomas D.
Hello, I wonder maybe someone have automotive functional safety guidelines for VHDL and is willing to share? I think there's a package available from Altera, however they charge 10k for it tell... read more »


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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GDB-compatible Debugger for the Freescale Coldfire MCF52235C...

by Randy Yates
Hi Folks, I've been searching for a device like this and have only located one thus far, the Abatron BDI3000. However, at $2600, this is outside my budget. Does anyone know of a less expensive de... 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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EXIM fail to transport mail.

by BIG (Umberto)
The other day I had some problems to send mail at root@raspberrypi. Example of correct log: 2014-08-26 10:02:38 Start queue run: pid=31708 2014-08-26 10:02:38 End queue run: pid=31708 2014-08-26 ... 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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Das ist ja mal eine geniale Idee: http://www.smartchargelight.com/ Ein LED-Lampe mit Akku. Wenn der Strom weg ist, kann man sie trotzdem einschalten. Ok, in D ist das nicht interessant, trotzdem m... read more »

Electronics (Spanish)

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ayuda con analisis de un transistor de potencia

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 (French)

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Identification composant

parfois la mauvaise information au CPU. exacte en farfouillant chez Digi-Key ou Farnell. Pourriez-vous m'aider ? http://obones.free.fr/microwave/top.jpg http://obones.free.fr/microwave/bottom.jpg... read more »

Electronics (Dutch)

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audio opto-coupler schema

Ik heb een optische audio verbinding nodig van een mengversterker naar een computer. De beide apparaten mogen niet galvanisch verbonden zijn. Dus met een opto-coupler. Het deel aan de kant van de... read more »

Electronics (Polish)

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Czy ktos sie orientuje jak wyglada jakis protokol nawiazywania polaczen przez neostrade ? Bo sytuacja jest taka - uzywam urzadzenia Fritz box a nie tego modemu-routera co oni daja. Ostatnio pra... read more »

Electronics (Swedish)

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En fundering över 'Donald Cook' och högteknologi

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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Hvor meget stiger spænding ved ensretning

Hej gruppe med ?? Var det 1,7?? Med venlig hilsen Jan read more »

Microcontrollers (Russian)

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

Electronic Circuits (Russian)

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Hello All! Sasha http://dr-shost.com http://shostatsky.narod.ru [Team OS/2][Team EDSMO] read more »

Electronics Hobby (Italian)

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IC per potenziometro digitale molto HiFi cercasi

Un mio amico progettista veterano in campo audio ha realizzato un amplifica tore audio notevole (preampli valvolare, finali MOSFET, ecc). Io stesso ho audito con meraviglia i melodiosi suoni in una... read more »