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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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Series to parallel conversion

by amdx
I want to spoil the Q of an LC circuit with a parallel resistor. I don't know what information is required. Can a I just say I want the equivalent of a series 30 ohm resistor in parallel to the ci... read more »

Electronic Components

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Flexible cable for low-voltage DC power

by Michael Covington
I find myself building a lot of DC power cords for portable equipment. Whe re can I get some flexible round cable like what comes out of wall-warts an d laptop power supplies? Speaker wire (zip c... read more »

Electronics Down Under

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So long, transistor: How the 'memristor' could revolutionize...

by Vote 99% Greens
So long, transistor: How the 'memristor' could revolutionize electronics http://edition.cnn.com/2015/02/26/tech/mci-eth-memristor/index.html https://en.wikipedia.org/wiki/Memristor#1808 -- Plot ... read more »

Electronics Equipment

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WTB: AB-21/GR, AB-22, AB-23, and AB-24/GR Antenna Sections

by NE8S
Looking for anyone who may have some Military Surplus Antenna Sections or Elements for the Field Ground Plane Antenna Kit AT-292/PRC or the RC-292/MP-68. There are four different antenna section... read more »

General Electronics

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Op-amp differential amplifier

by Patrick Chung
Op-amp differential amplifier has much wider range of input signals comparing to differential amplifier with discrete components. Read more: http://www.cirvirlab.com/index.php/tutorials/170-op-amp... 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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New user problems

by oh6hsr
Hi, I found KiCAD some days ago and like to ask some help: ll is ok. 1. Can i find somwere help to organice the component library, because some components are situated in devices like resistors ... read more »

Electronics Design

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numerical methods for calculating PID equivalent functions

by Jamie M
Hi, Can a partial differential equation be numerically calculated to give a function that is equivalent to a PID loop for controlling a multivariable system (ie a lunar lander with yaw/pitch/thrus... read more »

Electronics Repair

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Speaker problems

by mailoxc4
I have a behringer eurolive b115. This is a 15 inch active 1000w speaker. ie has its own amp in the speaker. When I turn it on all the light light up as normal then after 2 seconds the speaker sque... read more »

Field-Programmable Gate Arrays

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by maxascent
What is the best way to implement a multi channel DDS. I need a DDS that has 8 channels that are time-multiplexed. I am using a Sparatn 6. Thanks ---------------------------------------... 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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NXP buying Freescale - thoughts?

by Dimiter_Popoff
Just got the news, someone posted it elsewhere. My nightmare is that they will kill the power architecture line and will go all ARM, may be this is what this is all about - leaving power only behi... read more »

Embedded Linux

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With arrival of Ubuntu Phone why should you buy a second rat...

by 7
With arrival of Ubuntu Phone why should you buy a second rate Andoid or Appile pone? ------------------------------------------------------------------------------------ I just don't get it. With ... 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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Getting SNMP to access the BMP180 pressure sensor.... runni...

by David Taylor
I have today installed a BMP180 pressure sensor and got it working correctly using the I2C bus on the RPi. I have created a very simple command script which will work as an SNMP pass command to ... 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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Schrumpfschlauch als ESD-Schutz?

Hallo, prinzipiell scheint es mir durchaus attraktiv zu sein kleine Platinen zum Schutz einfach einzuschrumpfen. Auch auf dem Markt finden sich Die Frage, die sich mir dabei aber stellt: Werden ... read more »

Electronics (Spanish)

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Cargar batería de coches las de placas de plomo en mi casa...

de 12v con corriente de 5 Amperios continuos obviamente, quiero saber si co te.Gracias. read more »

Electronics (Croatian)

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sigurnosni trafo

> > Imate kakvu ideju? Slike na binsima... read more »

Electronics (Dutch)

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[CHARTER] handvest nl.hobby.elektronica [maandelijks bericht...

nl.hobby.elektronica - De elektronica als hobby. CHARTER: nl.hobby.elektronica nl.hobby.elektronica is een ongemodereerde nieuwsgroep voor de elektronicahobbyist. Discussies over de theoretische ... read more »

Electronics (Polish)

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jak sie robi kwarce

https://www.youtube.com/watch?v=b--FKHCFjOM Minelo pare dekad ... co sie zmienilo ? J. 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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Arduino og TFTLCD display

Er der nogen her, der har brugt Arduino i forbindelse med TFT LCD -- Mvh Kurt G read more »

Microcontrollers (Russian)

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

Electronics Hobby (Italian)

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Condensatori .. esr n/a

Mi chiedevo perche' per certe serie di condensatori, che non costano mi sembra nemmeno cosi' poco, non e' disponibile il dato dell'impedenza o esr, ne nel sito del venditore ne in quello del produt... read more »