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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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Simplest, cleanest, push button debouncer?

by Terry Pinnell
Is there any consensus on the neatest circuit to take a noisy push button signal and output a clean rectangular pulse? Searching through my ancient (paper) files I found dozens, but my scribbled n... 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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TOA ER-58 Megaphone Microphone

by Computer Nerd Kev
I've been trying to get an old ex-army megaphone going. As is, you press the talk button on the mic and hear a pop from the speaker, but can scream for all your life and not get anything else out ... read more »

Electronics Equipment

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Cylink CY1024AP

by John Pham
I'm looking for datasheet for Cylink CY1024AP, it seems like the chip is mention in a bunch of encryption news, but the datasheet is hard to find. Cylink got bought out, and the new company agai... 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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Protel 99 simulation output in printed numeric form ?

by Jon Elson
Hello, anybody still use Protel 99 SE? I need to get a printed numeric form of a simulation result. (time vs. voltage in print format, not plot format.) Anybody know how to do that? I tried a... read more »

Electronics Design

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electrolytic cans

by John Larkin
I'm doing the synchro/resolver board and the top will be paved over with transformers. So a lot of parts will have to go on the bottom of the board. We usually space these boards off the the alumin... read more »

Electronics Repair

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Need schematic

Need the schematic for 4VWIN Wireless Home Security Driveway Alarm https://www.amazon.com/4VWIN-Wireless-Security-Driveway-Receiver/dp/B01JRASCDU/ref=sr_1_129?ie=UTF8&qid=1537407005&sr=8-129&ke... read more »

Field-Programmable Gate Arrays

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Need Help regarding I2C Protocol testbench

by Swapnil Patil
Hello folks, I am trying to get a VHDL testbench running with the VHDL I2C core model. I am using spartan 6 fpga and using a simple state machine. The problem with simulation result is that it is ... 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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Speth email change

by John Speth
Lance and ROI- Nancy and I are changing our primary email address. Our new primary email will be johnspeth@yahoo.com. We'll keep the present Frontier email address for overlap for a month or t... 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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Booting from a Ubuntu .img file

by NY
Out of interest, I'm trying out Ubuntu on my Raspberry Pi 3B+. I've downloaded the image from https://ubuntu-mate.org/raspberry-pi/ specifically https://ubuntu-mate.org/raspberry-pi/ubuntu-mate-... 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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wird. diese Taster nachhaltig zu reparieren? Kurzfristig funktionieren diese Taster manchmal wieder, wenn man die innen in den Proppen gestochen wird und deren angeschliffener Kopf den Kontakt ... read more »

Electronics (Spanish)

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que puede causar que el desfase de un inversor desparezca?

ero estoy teniendo dificultades al momento de colocar el motor, ya que cuan parece y al medir solo se ve una senoidal. Cuando desconecto el motor y mido las lineas en el gate driver se puede apr ... read more »

Electronics (French)

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Question sur LT Spice XVII

Bonjour, Je dispose de 2 tensions Y2 et X Je voudrais afficher la courbe Y2 - X Comment faire ? Merci read more »

Electronics (Croatian)

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Kako se zove ...

ona plastikica koja se stisne oko kabela i utisne u metalnu rupu kucista uredjaja te drzi kabel od ispadanja? Onak je iz 2 dijela koji se drze plasticnom niti da se ne pogube jedno od drugog :) ... 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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Wypisywanie tekstu na wyjściu kompozytowym

wykonywanie paru prostych operacji i wyrzucenie wyniku na ekran TV. Nie trybie tekstowym: init(), clearscreen(), gotoxy() oraz putc(). 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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NiMh celler bliver trætte efter få år ?

Det viser sig bl.a. ved at min Outdoor GPS efter kort tid viser lav Kan cellerne regenereres eller er det bare Byt til Nyt? /Lars 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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https://www.bbc.com/russian/news-45435770 read more »

Electronics Hobby (Italian)

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micro tx fm stereo

https://it.aliexpress.com/item/Auto-Trasmettitore-FM-3-5-AUX-Smart-Phone- Modulatore-Auto-Senza-Fili-di-Chiamata-in-Vivavoce/32892861419.html Ma questi affari trasmettono in fm stereo o solo mono? ... read more »