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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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Current mode control

by Patrick Chung
Current mode control is the fastest control method for switching mode power supply since it has to feedback loops. Read more: http://www.cirvirlab.com/index.php/switching-mode-power-supply/152-curre... 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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Current mode control

by Patrick Chung
Current mode control is the fastest control method for switching mode power supply since it has to feedback loops. Read more: http://www.cirvirlab.com/index.php/switching-mode-power-supply/152-curre... 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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Weird EMC circuit

by Tim Williams
I'm doing some EMC work right now, and created something weird. Has anyone seen it before? Description: Suppose you have a shielded cable being terminated to a header. So, you tie the shield ... read more »

Electronics Repair

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Re: Summary of status of Microsoft Support scam phone call t...

by Charles Bishop
In article , What do you pay to have internet access such as DSL? You do have to pay a local Telco something to have wires from your house to somewhere, yes? -- charles read more »

Field-Programmable Gate Arrays

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wrong waveforms in vivado waveform viewer

by langwadt
Has anyone experience the Vivado waveform viewer just making up waveforms? I have a module with two different signals, lets say x and y if I go down the hierarchy and add them to the waveform view... 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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Drawing pieslice (segement) on and LCD

by ajellis
Hi I need to plot a pie on an LCD screen as an indicator of time remaing for a process. I have searched around alot on this issue, and have found the midpoint algorithm which I can use to plot a... 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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Python example code for Kinect on R-Pi?

by Dave Farrance
I idly browsed through some Linux magazines in a newsagent, and saw an article on how to add vision to a Raspberry PI using a Kinect for an XBox360. There was also Python code for some analysis of... 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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EBV Elektronik Heizungsregelung Theta 2B

by
Hallo liebe Zielgruppe, nach einem Stromausfall hat meine ca. 6 Jahre alte Heizungsregelung alle gespeicherten Werte, Datum und Uhrzeit vergessen. Auch wird die Bevor ich beginne, das Dingen kom... 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 (French)

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Re: Les bougies de l'été...

by
On Thu, 28 Aug 2014 16:06:51 +0200, Jean_ il maintient un courant dans la bobine alors qu'en decharge de Sur quel electrificateur de cloture a-tu vu de la rupture de circuit inductif? fu2 fr.sci.... read more »

Electronics (Croatian)

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Sin-cos encoder

by
Jel netko radio sta sa sin-cos encoderima? Imam cilindar Festo DNCI koji u sebi ima encoder za kontrolu pomaka... ide van konektor sa signalima sin+, sin-, cos+, cos-, +5v i gnd... trebao bih nek... read more »

Electronics (Dutch)

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audio opto-coupler schema

by
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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Altera forum

by
Witam, Stachu, you do not have permission to access this page. This could be due t o one of several reasons: 1. Your user account may not have sufficient privileges to access this p age. Are y... 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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Hvor meget stiger spænding ved ensretning

by
Hej gruppe med ?? Var det 1,7?? Med venlig hilsen Jan 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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фонарик

by
Hello All! #QZO Mini Pocket Flashlight 151313279844 -- -- Sasha http://dr-shost.com http://shostatsky.narod.ru [Team OS/2][Team EDSMO] read more »

Electronics Hobby (Italian)

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micro saldature

by
Per cercare di azzerare gli errori di accesso alla memoria di massa del mio smartphone cinesone android che ogni tanto crasha, sto valutando di saldare la micro sd al un connettore flat, che salder... read more »