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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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PSU for valves ...

by Peter
I thought I'd experiment with a few valve circuits (just for fun). So I'll need an H.T. power supply and I'm looking at this: https://www.timstar.co.uk/el120300-high-tension-ht-power-supply.html ... read more »

Electronic Components

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Bezels ...

by David Lesher
I'm designing a project with a small LCD on the panel. Where can I go to find a matching bezel? There's gotta be an Amce Bezel Co. out there. (Size yet TBD, may well be find bezel first, then cho... 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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Spectrum analyzer for sale ...

by Klaus Kragelund
Hi My friend has a 1GHz spectrum analyzer for sale, Rhode and Swartz, with tracking generator https://www.ebay.co.uk/itm/ROHDE-SCHWAR-FPC1500-Spectrum-Analyzer-with-tracking-generator-5kHz-to-1GHz-... read more »

General Electronics

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automobile remotes ...

by Rich D
A question concerning the car remotes; door lock, headlights, etc. Each car/handset must be a matched pair, regarding the ID and security codes. Obviously only one car in the parking lot ought ... 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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Seems to be more spam than useful posts ...

by Rick C
I do see someone posting at the end of an old thread within the last 30 days, otherwise the most recent post is months old. Rick C read more »

Electronics Design

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Insane customer support ...

by Don Y
I had to get some details on a treadmill that a friend wants to transport, today. Called company (Icon? Nordic Track's parent) asking for simple data: weight, height, length, depth. Amusingly, ... read more »

Electronics Repair

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homemade or low cost circuit board/ battery box shield? ...

by Tinkerer
I have a static sensitive circuit with a small battery compartment located just underneath, almost touching. Since there is a chance for shorts, what could I put between the circuit board bottom... read more »

Field-Programmable Gate Arrays

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Fully Comitted to LVDS as Comparitors ...

by gnuarm.del...
I working on a design where there will be some five sigma-delta ADCs and several specific level detect inputs each using an LVDS input pair as a comparator. So I'm pretty committed to this working. ... 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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Is there such thing as a 4 bit CRC ? ...

by boB
If I create a 1 byte command that only uses 4 bits for 16 different functions, and there were NO following bytes (there might be folling bytes for some CMDs), I was thinking that the lower 4 bits c... read more »

Embedded Linux

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Crosscompiling for ARM: reloc type R_ARM_ABS32 is not supported for PIC - how to solve ? ...

by Prijazen Dom
I'm trying to crosscompile MQTT client for ARM platform. At the final step, creation of binaries, the system reports errors below. I guess that I overlooked something... What could be the reason ? ... 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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Tiny 2040 - size of a postage stamp ...

by James Harris
Impressive: https://shop.pimoroni.com/products/tiny-2040 RP2040 based 264k RAM 8M flash 12 IO pins incl 4x12-bit ADC /Very/ small According to https://www.tomshardware.com/uk/reviews/pimoro... 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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Kennt jemand neue(re) Methoden zur Reparatur von Gummikontak...

by
Hi, umgeschaltet werden. Leider gibt's da mittlerweile das bekannte einer Tonne Druck und der Rest gar nicht. Mit Leit-Schaumstoff klappt's aber. Reinhard 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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Recherché : Schéma du circuit du Metrix MX 528

by
Bonjour, Merci beaucoup d'avance. Meilleures salutations Reinhard read more »

Electronics (Croatian)

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regulacija 40 - 80V DC?

by
jno je nekih 500mA.... ima ko kakav prijedlog kaj bi bilo idealno? isam ni vidio... 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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iPhone SUPER 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 (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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Potenza trafo incognita

by
Ho diversi trafo di recupero dei quali non ho alcun dato. Quasi tutti singoli secondari mediante misurazione nucleo. Pensavo: Raddrizzo la tensione con un ponte robusto (ce l'ho 50A 50V) seguito ... read more »