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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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Power supply trips CU ...

by RobH
I bought a 12volt 8.5amp TDK Lambda power supply from Radio Spares to replace a Mean Well 12v 8.5a supply which had failed after 3 years. https://uk.rs-online.com/web/p/embedded-switch-mode-power-... read more »

Electronic Components

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Rhode & Schwarz - Website Down? ...

by J.B. Wood
Hello, all. I haven't been able to access the subject's website for 2 weeks now. Assuming the problem isn't on my end why would a major supplier of test equipment allow this? Thanks for any in... read more »

Electronics Down Under

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No More TO-3 Voltage Regulators? ...

by Computer Nerd Kev
Looking for a replacement LM340K-24 fixed 24V 1A linear regulator for my bench power supply I've dicovered that TO-3 voltage regulators seem to be in the last stages of disappearing entirely. Look... read more »

Electronics Equipment

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Graphics card fans ...

by Commander Kinsey
Why do graphics cards only monitor the speed of one fan? If the other one fails, it won't know! read more »

General Electronics

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Lime skates ...

by Rich D
I looked at one of those Lime electric skateboards. It has a QR code sticker, and no other user interface, that I noticed. I never rented one, and wonder how the system works, the network stu... 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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Trouble with Orcad Pspice version 9.1 ...

by Jean-Pierre Coulon
I am missing the toolbar with File Edit View Simulation etc. Instead I have small grey icons corresponding the options you find with Trace, Cursor. But they are useless. It was working fine with... read more »

Electronics Design

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class-D driver chip ...

by John Larkin
I may have to design a 300 watt or so full-bridge class D amp. I want a driver chip that will drive four big mosfets, 48 volt supply. I got excited about LM4651, which accepted an audio input and d... read more »

Electronics Repair

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Technics SU-610, one channel down? ...

by T i m
Hi all, Chatting to a mate the other day and in passing mentioned his old Technics SU-610 amp, seems to have lost one channel and might I be able to fix it (I've just fixed a car battery charger f... read more »

Field-Programmable Gate Arrays

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ready/valid vs 2-way handshaking vs 4-way handshaking ...

by Ubaid Abdullah
I am confused about whether ready/valid handshaking is functionally equival ent to req/ack (2-way) handshaking? By being functionally equivalent, I mea n that we can perform data transfers with rea... 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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Good Hardware Tools ...

by Rick C
I will be working from home to help an open ventilator project and want to acquire some tools. I've needed a new scope for some time, but want an att ached scope using the PC for a display. They... read more »

Embedded Linux

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What are the best courses to learn Embedded Engineering In the United States? ...

by Mike091
I'm a good programmer in just about any computer language you can mention. But for example, I don't know how to use the multitude of protocols to talk to the various types of hardware. Some easy exa... read more »

Microcontroller Discussions

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iPhone SUPER 80% discounts ...

by discounts
*** iPhone SUPER-SPECIAL-DISCOUNT 80% OFF --- UNBEATABLE SUPER-PRICES !!! *** Save LOTS OF CASH on a wide collections of iPhones, 80% off everything must go to make place of next generation iPhone ... read more »

Raspberry Pi Group

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Pi4 headless shutdown ...

by Tilt from Arch
Hi all, I just assembled a raspberry-pi with these items: - pi4 board (4gb ram) - 16gb microsd card (with archlinux-arm 64bit on); - X832 board (to attach a 3.5 HDD); - 12V power supply (as need... 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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Wetterkarte Deutscher Wetterdienst

by
48 Std.-Vorhersage Boden 3855 kHz DDH3 10,0 kW F1C 13882,5 kHz DDK6 10,0 kW F1C www.leobaumann.de/newsgroups/48Std_Vorhersage.png read more »

Electronics (Spanish)

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PC no enciende ¿Procesador o placa base?

by
Tengo una placa ROG Strix X570-F Gaming. Un procesador AMD Ryzen 3700X. La luz de la placa enciende, al encender el equipo no hace nada incluso pue nteando la placa. He intentado: - Prenderla... read more »

Electronics (French)

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Souder avec non isolé ?

by
(statiquement) !!! Je me pose des questions, sur le soudures des IGBT. A vous lire... read more »

Electronics (Croatian)

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Aerocell 9 V baterije?

by
Do nedavno su se u Lidlu za oko 15 kn osim Aerocell AA i AAA baterija mogle kupiti i 9 V baterije (6LR61) ali ih vise nema. Duracell-ove kostaju 35 kn a Aerocell mi u instrumentima, mjeracu tempe... 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 (Swedish)

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Till din uppmärksamhet

by
ad E-post: annaalario13@gmail.com Whtasapp: +33 7 51 95 51 18 read more »

Electronics (Danish)

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3 batterier =?

by
hvor mange watt giver det ? mvh Henning Holm read more »

Microcontrollers (Russian)

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Rules

by
(fido7.)su.hardw.other read more »

PCAD Forum (Russian)

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iPhone SUPER 80% discounts

by
*** iPhone SUPER-SPECIAL-DISCOUNT 80% OFF --- UNBEATABLE SUPER-PRICES !!! *** Save LOTS OF CASH on a wide collections of iPhones, 80% off everything must go to make place of next generation iPhone ... read more »

Electronics Hobby (Italian)

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ESR

by
In un alimentatore di tipo standard con diverse uscite mi ritrovo volt ben diversi da quelli riportati nello schema la qual cosa fa si che lo strumento alimentato non funzioni correttamente. Cont... read more »