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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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Suppress transients on old burglar alarm

by Terry Pinnell
My 20 year old burglar alarm control has developed a fault that I've spent the last couple of days trying to fix. Before I ditch it and go through the hassle of installing a new one I'm seeking hel... read more »

Electronic Components

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Looking for old (eighties) speech synthesizers

by gbo.usenet
I'm looking for speech chips for my collection: UAA1003-1 (German) UAA1003-2 (French) SSI263 SC02 (Votrax) uDP7755 (7756, 7757) MM54104 (Digitalker) MM52164SSR1, MM52164SSR2, MM52164SSR5 und M... read more »

Electronics Down Under

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teeny micro-minature SMD fuses

by bruce56
I have a DDS tape drive. When plugged in, none of the LEDs come on. It is supposed to do a self-test. Next to the power socket are two rectangular things approximately 5x2x2 mm. I assume they are... 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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cassette conversion

by rdelaney2001
I have a box of old cassettes in the attic (like a million other blokes). Rather than consigning them to the dust bin, I'd convert them to MP3 files. Anybody have suggestions for a converter?... 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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Looking for print out of IVEX Windraft file

by Pete Petrik
I'm looking for someone who can make a printout of an old IVEX Windraft file I have. When I did some remodeling I layed out all the electrical work with Windraft. I thought I made a number of hard c... read more »

Electronics Design

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a dangerous positive-feedback loop

by Winfield Hill
https://www.washingtonpost.com/news/energy-environment/wp/2018/04/23/one-of-the-most-worrisome-predictions-about-climate-change-may-be-coming-true/ A new dangerous positive-feedback loop is accelera... read more »

Electronics Repair

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Digital AM/FM Signal Generator

by pfjw
I have come into a small, but totally unexpected windfall. As is the way of these things, it will be split into thirds, one to savings, one to my wife for spending on the house - as is her habit,... read more »

Field-Programmable Gate Arrays

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Stepper motor controller

by abirov
Hello all, I used Hamsterwork's http://hamsterworks.co.nz/mediawiki/index.php/Stepper stepper motor controller , there position out for leds etc. How i can make give position back.. I.E. I want ... 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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[AVR] What assembler to use?

by Johann Klammer
I've just been trying to use avra, but it outputs coff or something, so obdump has trouble disassembling it. I am also not sure how to link the result(ihex have no symbol info). So now I believe... 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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Monitoring internal voltages

by bob prohaska
Does the Pi (Pi3, in particular) have any ability to report interal power supply voltages? Spot checks with a voltmeter on the GPIO header are some help, but a running test that can be logged over... 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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"No Commentator"

Hi! Regal-Lautsprecherboxen habe ich noch, aber wie macht man das noch mal genau, wenn man vom Stereoton des Fernsehers die Mitte des Signals durch Phasenumkehrung eliminieren will? damit sicher ... read more »

Electronics (French)

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maison des info par cpl si les appareils sont capable de recevoir les info ok mais si non ,comment mon grille pain fait d'une resistance peut il bien communiquer avec linky ? est ce dans la previ... read more »

Electronics (Croatian)

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Čitanje touch screen-a mobitela

Dali postoji kakav senzor koji bi bio u stanju registrirati promjenu na ekranu mobitela. Npr. na ekranu se pojavi neki simbol nekakve boje i taj senzor to registrira. neka bude priljubljen uz s... 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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Bramki AUP

zamiast LVC, ale w dokumentacji (do 74AUP2G17) jest napisane ?4mA Output Drive at 3.0V, a w absolute maximum ratings z kolei jest Continuous Output Current (VO = 0 to VC) ?20mA Pozdrawiam, Piotr read more »

Electronics (Swedish)

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Få din kredit på 48 timmar.

Du har blivit nekad av banken eftersom din kredit inte uppfyller deras stan ?r. E-post: bmmemonnet@gmail.com read more »

Electronics (Danish)

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Ideline Energimaler

I have acquired an Ideline ENERGIMALER (little green box) but everything is in Danish, a language I do not understand. How can I get a Manual in English for it. 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 »

Electronic Circuits (Russian)

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Теория для чайников ...

Hello! https://ru.aliexpress.com/item/Speaker-Protection-Board-Component-Audio-Amplifier-DIY-Boot-Delay-DC-Protect-DIY-Kit-for-Stereo-Amplifier/32822909837.html https://h4e.ru/komplektuyushchie/117... read more »

Electronics Hobby (Italian)

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PCBWAY,tempi costi e dogana

Salve,chiedo attualmente cosa aspettarmi dovrei realizzare alcuni piccoli prototipi,con integrati QFN SMD sicuramente a perdere e volevo provare PCBWAY Diciamo 4 PCB da 4x4 cm Qualcuno per espe... read more »