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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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Looking for a 7984 valve

by Peter Percival
I'm thinking of making http://www.arrl.org/files/file/QST/This%20Month%20in%20QST/August%202014/JULSTROM.pdf. Any thoughts about where I can get the 7984 valve? -- He who will not reason is ... read more »

Electronic Components

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do you have a dvd optical drive motor number: PPN13KA12C

by ToddB
Looking for a commonly used DVD / CD motor by Minibea part number: PPN13KA12C or PPN-13KA12C read more »

Electronics Down Under

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Yaesu FRG-7700 Tuning dial mechanical fault

by Lucifer
The tuning dial of my Yaesu FRG-7700 receiver will not rotate beyond about 780 Khz. Is that easy to fix? read more »

Electronics Equipment

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Canon bubble-jet printer revisited

by Robert Baer
OK; what Canon bubble-jet printers are available that connect either serial or (preferred) parallel? Thanks. PS: i only care about black, as color i almost never need,and color has nev... read more »

General Electronics

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IBM Selectric typewriter

by Jon G.
I have two cycle wheels for the IBM Selectric typewriter. 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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Wind, solar, storage and back-up system designer

by Scottish Scientist
Wind, solar, storage and back-up system designer for 100% renewable energy grids and microgrids with 24/7/52 power-on-demand! http://scottish.scienceontheweb.net/Wind%20power%20storage%20back-up%2... read more »

Electronics Design

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bandwidth explosion

by John Larkin
At work, we signed up with MonkeyBrains for microwave internet service. We ordered the 50+50 mbit plan. It's actually speed testing about 350+350. And at home, a guy from Comcast (our local cable ... read more »

Electronics Repair

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How the heck does a typical home transfer switch work?

by Arlen G. Holder
How the heck does a typical home transfer switch work? Mine isn't working so I need to figure out how it works first. o My mains is two hots plus a neutral (i.e., it's not 3 phase) o There are t... read more »

Field-Programmable Gate Arrays

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Lattice XO3D New

by Rick C
It looks like Lattice has announced a new FPGA product that suits my needs. I've always preferred non-BGA devices because they complicate the PCB fab rication with the need for fine pitch and ver... 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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External SPI Flash for storing data

by pozz
I have a board with Cortex-M3 NXP LPC1875 MCU with 512kB internal Flash, one 8MB external SDRAM and 2MB external SPI Flash. The external Flash is connected to a normal SPI, not SPIFI (in other wo... 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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ATMega ports / features - clarification

by Dan Purgert
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 I'm about on the brink of expanding past the point of self-contained widgets, and into using SPI / I2C / general serial over U(S)ART. Just to make ... read more »

Raspberry Pi Group

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Disk weirdness

by Adrian
I'm having some fun and games with a new SSD connected to a Pi via USB. This has happened two days running, I've tried re-partitioning and re-formating the disk, but to no avail. I've got the di... 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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Regenmesser zu Ethernet oder USB - mein erstes Arduino-Proje...

Hallo, ich habe einen Regenmesser aus China mit einer Wippe mit einem einmal kurz. In beiden Endstellungen der Wippe ist der Kontakt offen. bekommt drei Klicks pro Sekunde noch hin, das bedeutet a... read more »

Electronics (Spanish)

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Combinaciones R-S-T para motores trifasicos

buenas tardes, la consulta es la siguiente si tenemos 6 combinaciones de R-S-T: R-S-T R-T-S S-R-T S-T-R T-S-R T-R-S Ademas de la primera que me dara sentido horario, cuales me daran el giro an... read more »

Electronics (French)

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Re: Électronique sur roadster Mercedes 1992

Le Fri, 19 Jul 2019 11:16:24 +0200, Respectable, respectable... Qu'est-ce que je devrais dire avec mon robustacier ? JKB -- => http://grincheux.de-charybde-en-scylla.fr => http://loubardes.... read more »

Electronics (Croatian)

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Makrai ME.55-14/4ASW-PKI

Pozdrav! Kupio sam novo napajanje ME.55-14/4ASW-PKI I imam 2 pitanja vezana uz to UPS napajanje. Prvo, zasto kada je ukljuceno u mrezu I optereceno (za potrebe testiranja je spojena zarulja 12v... 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 (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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Cicuit Diagram for JOSTY KIT HF65 - FM Tramsmitter

Hi there!Does anybody know or have a circuit diagram for a 1 Watt FM transmitter, which is the size of a matchbox and runs of a 9V battery. Thanks Simon. 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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Una uart processore da collegare ad una tra 4 sorgenti

Ricevitore gps che ha una uart, a livello 3v3 o 5v, dedicata per sparargli dentro le correzioni differenziali Le sorgenti potrebbero essere 4 diverse (bt, rs232, gsm, radio) ovviamente tutte tra... read more »