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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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Why are engineering sample CPUs illegal to sell?

by Commander Kinsey
Why are engineering sample CPUs illegal to sell? read more »

Electronic Components

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BZX79 vs. BZX55

by Jon Schneider
What is the difference between BZX79 and BZX55 (and other) series Zener diodes ? I've tried comparing datasheets but cannot find both series from the same manufacturer. Thanks, Jon read more »

Electronics Down Under

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Totally OT: Water tank weirdness

by Sylvia Else
The problem started with the appearance of dust and grit falling into the bath. It was not at all obvious where it was coming from. With showers being preferred, the bath is little used, so this ... read more »

Electronics Equipment

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PM3384 Failed Calibration Need some info

by Frank Heizler
I have a pm3384 and it keeps failing the autocal. I went through the manual calibration, and it was in need of that, but in the end it still failed wi th error d1a. I've read the service manual an... read more »

General Electronics

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battery jargon

by Rich D
A battery consists of two metals brought into contact. Somehow, they form an anode/cathode electric potential. That's the extent of my battery chemistry. So: NiCd - nickel and cadmium carbon... 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 a NGSpice model or subcircuit for TC4422 MOSFET ...

by Jeff
I Use NG-Spicec and am looking for a model or subcircuit for the TC4422 MOSFET driver. Would very much appreciate if you could point me to it. I did see a model but it was a wierd format, not a sta... read more »

Electronics Design

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Auction in Fremont, ca NOW

by Bill Martin
No connection to this, just posting for NorCal bargain hunters. Be quick, lots start closing in 2 hours, around 11AM PST. enjoy, Bill https://bid.xtechauctions.com/auctions/4-1TPJI5/complete-fac... read more »

Electronics Repair

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I am trying to locate a power transformer

by lanavy2307
#94-620-01 for a Crate Amplifier. read more »

Field-Programmable Gate Arrays

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First CFP: The 12th World Congress on Information and Commun...

by Anu Bajaj
** First Call for Papers - please circulate this CFP to your colleagues and networks ** -- The 12th World Congress on Information and Communication Technologies (W ICT'22) -- http://www.mirlabs.... 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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First CFP: The 12th World Congress on Information and Commun...

by Anu Bajaj
** First Call for Papers - please circulate this CFP to your colleagues and networks ** -- The 12th World Congress on Information and Communication Technologies (W ICT'22) -- http://www.mirlabs.... read more »

Embedded Linux

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Addressing on I2C

by ZOT
Are they some 'reserved' 'well known' addresses on i2c? -- read more »

Microcontroller Discussions

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New(ish) assembler for PIC16 microcontrollers (asm1825)

by Andrew T.
I thought I'd put a post out here for anyone working with PIC16 microcontrollers who might be interested in this assembler I've been working on. I started developing this around 2017 because I fou... read more »

Raspberry Pi Group

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JTAG?

by gareth evans
I wonder if any here have dabbled with the JTAG connections of the RPi, for it seems to me that as a low-level interested party it could be interesting to control a RPi4 through the JTAG interface... 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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Strommessung am Hausanschluss von Steckdose aus

by
Hallo, es gibt jetzt ein Balkon-Solarkraftwerk mit Speicher, welches man einfach einstecken kann. oder lieber in den Akku schieben, wird ein patentiertes Verfahren benutzt welches mittels Hochf... read more »

Electronics (Spanish)

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Tengo un aerogenerador de 1000 watts (48VDC/20Amperes).

by
Tengo un aerogenerador de 1000 watts (48VDC/20Amperes). El es trifasico en triangulo, quisiera saber que corriente entrega por fase. Agradezco mucho la ayuda. Mauro. read more »

Electronics (French)

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mesure de puissance: un wattmètre monophasé DIY

by
Bonjour, http://www.muselec.fr/Network%20analyser.htm https://circuitcellar.com/inside-this-issue/ A+ Vincent -- This email has been checked for viruses by Avast antivirus software. https://... read more »

Electronics (Croatian)

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Zelena slika na tv-u

by
Prije tri dana sam kupio resiver amiko a6 combo T2 i S2 signalom s ugra? ude zelenkasta ,vidi se slika na tv-u, ali kao da gledam preko negativa,da read more »

Electronics (Dutch)

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

by
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 (Danish)

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LG TV billedet forsvinder

by
Hej LG TV 55UH950V billedet forsvinder efter et par sekunder. Hvad skal jeg kort tid. mvh read more »

Microcontrollers (Russian)

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По моему это гениально ...

by
.............. wait10ms: rcall wait5ms ;5ms 7+x return addresses ;proceed with wait5ms ;+5ms wait5ms: rcall wait1ms ;1ms 6+x return addresses ;proceed with wait4ms ... read more »

PCAD Forum (Russian)

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Где Оркад хранит дефолтные соотв...

by
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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Test sottovaso pieno

by
Ho una piccola pianta in sala, sopra il tavolo, il cui vaso con sottovaso, sono inseriti in un 'vaso' di stoffa decorativo. comtrollare il sottovaso, rischia il riempirsi di acqua di annaffio ed i... read more »