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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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"New" Metal Detectors Designed for Gold

by Bret Cahill
Some of these new machines cost $4,000. They claim they are specifically tuned for gold nuggets. Is there any real advantage over older technology or is this a scam? Bret Cahill read more »

Electronic Components

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Automotive relay question

by DaveC
I have a 12V SPST cube relay in my junque box. The diagram molded into the which looks suspiciously like a resistor. (using a current-limited power supply) and the same current draw is measured. ... read more »

Electronics Down Under

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A great idea

by Peter
https://www.kickstarter.com/projects/electroninks/circuit-scribe-draw-circuits-instantly -- read more »

Electronics Equipment

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Velleman PPS10 RS232 serial cable

by blisca
Hello i just have got the above handheld oscilloscope,the RS232 cable is missing I was not able to find the schematic on the web, i don't think it is complicated,i'm just in doubt about is it only... read more »

General Electronics

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Automotive relay question

by DaveC
I have a 12V SPST cube relay in my junque box. The diagram molded into the which looks suspiciously like a resistor. (using a current-limited power supply) and the same current draw is measured. ... 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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LTSPICE BF981

by Pratik Shirore
Hello Everyone I am doing research on FINFET and I am looking for library's in LTspice,Any library relented to any FINFET please help. Thanks In advance Pratik S read more »

Electronics Design

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[OT] eCAT news

by Klaus Bahner
Since eCAT has been discussed here before, I thought a few of you might be interested in a new test, which is performed by the same group from Italy/Sweden, which first test was discussed here so... read more »

Electronics Repair

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Relay back emf protection

by Gareth Magennis
Following on from the Automotive Relay thread; What are the reasons behind the apparent fact that relays last longest in this order of coil protection: 1. No protection at all 2. Zener diode... read more »

Field-Programmable Gate Arrays

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Altera 100-pins chip

by Rego
Hello, I'm looking for suggestions for an Altera 100-pins chip which I can use in a board like this http://produto.mercadolivre.com.br/MLB-593016903-placa-adaptadora-ci-smd-tqfp-lqfp-qfp-pcb-pci-pi... 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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How to write a software description document?

by skolpojken72
I have written software for an embedded system. All commands are received b y UART. Now I must create a document that describes the software and how it works together with the hardware on that cir... read more »

Embedded Linux

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Principles of Physics A Calculus Based Text 5th Ed VOL 2 b...

by kalvin
I have solutions manuals to all problems and exercises in these textbooks. To get one in an electronic format contact me at: kalvinmanual(at)gmail(dot)com and let me know its title, author and editio... 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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Is an SD card in a Pi considered normal use

by Graham.
for warranty purposes? http://www.sandisk.com/about-sandisk/warranty-and-user-guides/ I would be surprised if mine lasted a whole 5 years. -- Graham. %Profound_observation% 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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ELV-Journal 6/90

by
Hi, in diesem Heft ist ab S. 15 ein LED-Komparator/Tester beschrieben. Kann mir jemand von Euch zu diesem Artikel verhelfen? Reinhard read more »

Electronics (Spanish)

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Cambio condensadores placa base ordenador

by
Buenas a todos. exactamente del mismo valor (dos de 3300 microfaradios y 6,3 V y tres de 1800 microfaradios y 6,3 V) El caso es que he vuelto a comprobar la placa base y aparecen los que puse ... read more »

Electronics (French)

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télécommande 433 MHz

by
Bonjour, t utilise le rporer au je souhaite incorporer un code fixe dans le programme de l'arduino ( qui comma ndera veau du as acheter un programmateur pou l'UM3750. excuser moi par ... read more »

Electronics (Croatian)

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Philips TV

by
Imam pitanje za TV znalce. Naime, frendu je crknul TV, Philips 4000 series LCD TV 37PFL4606H 94 cm, i to kratko nakon isteka garancije. Na servisu su mu rekli da je crknul modulator napajanja i d... read more »

Electronics (Dutch)

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audio feedback onderdrukker (schema) gezocht.

by
Ik wil twee kleine luidsprekers in een elektrische gitaar inbouwen, en daarvoor zoek ik een (schema van een) feedback onderdrukker. Ik heb 18 volt beschikbaar in de gitaar om de boel van spanning t... 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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Arduino C kode

by
Storm - Regn - Foranderligt - (Smukt - Sol)? timer, hvordan vejret bliver. udregnes over en 3 timers periode, hver time. Nogen der har ideer? Karl Erik. 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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мю буква

by
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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Batterie e caricabatterie

by
Ho questa macchina fotografica con il suo caricabatteria originale (fujifilm bc-nh02): http://www.letsgodigital.org/html/review/fujifilm/finepix/e900/camera_EN1.html Le batterie di fabbrica sono c... read more »