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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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Using a TO-220 heat sink

by Adam Funk
Hi, To attach an LM317 (for example) in the TO-220 format to the corresponding heat sink (see link below), is it useful to apply any thermal paste in addition to the flexible mat that comes with t... read more »

Electronic Components

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Timing relay providers

by David Lesher
I seek a timing relay with some/all of the following: a) LV operation, 12-24VDC or AC b) Input triggers a one-shot output c) Intervals in hours, 1-14 or so. d) Reset that will terminate the one-s... read more »

Electronics Down Under

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Phone battery

by FMurtz
I put a generic battery in my phone and from then on it would not charge over 85% Just put a different battery in and it now does,what is built in to the old one to cause the limitation? read more »

Electronics Equipment

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building a hobby-lab

by will
Gents: First post. I'm populating a home hobby-lab to support some amusing experiments in 2- photon light-scattering vis Levinthals Paradox. Previous attempts proved unsuccessful. I'm improving... read more »

General Electronics

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search help needed

by Jon G.
I am having trouble finding the user/service manual for the Panasonic KX-TGA641 wireless phone. I need to re-activate the caller I.D. Can anyone help me? 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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Why Should I Make a Budget?

by terrablow123
You say you know where your money goes and you don?t need it all wr itten down to keep up with it? I issue you this challenge. Keep track of ev ery penny you spend for one month and I do mean every... read more »

Electronics Design

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by John Larkin
After days of fighting computers, I needed to solder something, so I built a new resistor tester. Full credit to Paul Horowitz for the proper definition of DUT. This puts 30 volts across a 50 ohm ... read more »

Electronics Repair

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by Gareth Magennis
Found 2 12AT7 valves inside a Fender (Evil) Twin today. Both branded 12AT7, National, made in USA. Except one is way bigger than the other one. http://i67.tinypic.com/fc0ehi.jpg The bigger one ha... read more »

Field-Programmable Gate Arrays

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Free Webinar Thursday: UVVM ? The standardized o pen sourc...

by Espen Tallaksen
The webinars are hosted by Aldec as follows: Thursday 26 April: EU: 3:00 PM ? 4:00 PM (CEST) : https://www.aldec.com/en/events/10 12 US: 11:00 AM ? 12:00 PM (PDT): https://www.aldec.com/en/e... 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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Atmel 328 ext. interupts

by Hul Tytus
comp.arch.embedded Atmel 328 external interupts I'm debugging an Atmel AVR 328 that won't generate an external #0 interupt. At present, the timer1 is generating an overflow interupt as would b... read more »

Embedded Linux

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Industrial IoT Latest Technology Research, Top Players with ...

by akashkale772
Free Get Sample Copy - https://tinyurl.com/yb86uuzx Internet of Things (IoT) has brought everything connected through internet. This connected network offers new opportunities to enhance operatio... read more »

Microcontroller Discussions

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Prototyping software?

by Kipper Klank
Is there any software out there that I can use to prototype circuit designs with a library of ICs and components. Like a graphical drag and drop type. Beacuse I'm thinking of making a z80 computer w... read more »

Raspberry Pi Group

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64 bit OS

by Gareth's Downstairs Computer
Which 64 bit OS is recommended for the Pi3, for I cannot locate such on the wiki? Perhaps NOOBS runs in the 64bit manner but in the AArch32 option? 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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Elektronischer Widerstand Linear?

Hallo zusammen, Gleich vorne weg: Jeder kennt die typische Schaltung mit der eine elektronische Last ( U-Konstant, Poti, OP, Transistor/FET, Stromshunt) gebaut wird. Wird das Potis an die Eingan... read more »

Electronics (Spanish)

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Contactos relés

Hola a todos, La preguntra es si es mejor colocar un condensador en los contactos de Gracias... read more »

Electronics (French)

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Schéma électrique coffret CEC pour polaris

Bonjour, J'ai un robot Polaris 280 qui fonctionne avec un surpresseur via un couleur verte. Voici des photos. https://www.cjoint.com/c/HDwiPkt6sxz https://www.cjoint.com/c/HDwiQAL5ouz Qui pourr... read more »

Electronics (Croatian)

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hdtv "antena" LOL

http://techreviewings.com/zamijenite-svoj-skup-tv-kabel-s-novom-hdtv-antenom/?gclid=EAIaIQobChMItaq8ytfX2gIVzWPTCh2Mcge4EAEYASAAEgJbqfD_BwE WTF LOL mislim stvarno... od antena za kolor... dvb-t..... read more »

Electronics (Dutch)

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Gestoorde master/slave contactdoos

Al sinds jaar en dag gebruik ik voor mijn pc's master/slave contactdozen. Wel zo makkelijk dat de randapparatuur daarmee automatisch aan en uit gaat als ik de pc aan resp. uit zet. Dat werkte alti... read more »

Electronics (Polish)

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"Jebłem"... (uwaga, słownictwo) Prawie O T, ale techniki t...

https://wiadomosci.onet.pl/swiat/wielka-brytania-zegary-analogowe-znikna-ze-szkol-uczniowie-maja-problemy-z/hqme6d7 Sam nie wiem... fejzbukowo-twiterowo-maminsynkowymi... przybywa... pomocy? -- ... read more »

Electronics (Swedish)

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Det ger ? 8000 till ? 4.000.000 vid en ränta p å 2% per å...

Du har avslagits av banken eftersom din kredit inte uppfyller deras standar read more »

Electronics (Danish)

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Kobling af varmelegemer

Min el-viden om 400V og sikringer er rusten :( Jeg har 6 x 6000W 400/230V varmelegemer. De kan kobles i trekant eller s tjerne. f dem. Jeg er ved at lave lidt tegninger til elektrikeren, men er ko... read more »

Microcontrollers (Russian)

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(fido7.)su.hardw.other read more »

PCAD Forum (Russian)

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Где Оркад хранит дефолтные соотв...

Hello All! AZ> Давно хотел узнать, но было не особенно актуально, а вот сегодня, что AZ> называется, нарвался. Добавил в схему диод, в схематике у него выводы AZ> обозначены 1 и 2, а когда Лэйаут ... read more »

Electronics Hobby (Italian)

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W Il Condensatore!

Non ditemi che non l'avete mai pensato vedendo le bandiere, oggi... Fabrizio :-P read more »