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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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Frequency counter

by Peter Percival
I'd like to buy a frequency counter but I was afraid they'd cost thousands. Apparently, only hundreds - https://uk.rs-online.com/web/p/products/6654919/?tpr=2. Any recommendations? -- He w... read more »

Electronic Components

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Long shot: operating high power laser modules in vacuum

by jrcgarry
Dudes of all flavours; I have an itch: I wish to run a 10W laser module in a vacuum chamber (UHV: 10^-6mbar or so). Anyone got any direct experience of the 'fun' in keeping the diode cool? And any... 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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Assistance in designing measurement circuit for Tolman-Stewa...

by ithacacollegephysics
Hello all! About a month ago I posted to this forum looking for help in designing a ci rcuit to measure a small current pulse. (Thread is here: https://groups.g oogle.com/forum/#!topic/sci.elect... read more »

Electronics Repair

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Transistors

by ejb
Hi Folks Having some trouble finding some transistors. I am repairing a switch mode power supply and have a number of transistors that need replacing. The issue is I can't seem to find them online... 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 »

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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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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Soft-UART, a different approach

by Josef Moellers
Hi, I need a soft-UART in an ATmega168PA which has to perform a few other duties (eg reading DS1820s) in parallel. I know of the two approaches: * wait for the falling edge at the start bit, then... read more »

Raspberry Pi Group

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Panic Averted (for now)

by Chris Schram
I have been running WeeWX on a Pi 3B with Raspbian Stretch since early 2018. I do an automated Duplicity backup once-a-week, and a separate backup of my WeeWX files just before I update my software... 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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UV Probleme TFT Display?

by
Hallo, Wir liefern an einen Kunden 5'' TFT Displays mit resistivem Touch-Screen. Mein Kunde baut die Dinger zusammen mit einem von uns gebauten STM32 System in kleine Kiosk Systeme ein. Die Teil... read more »

Electronics (Spanish)

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Combinaciones R-S-T para motores trifasicos

by
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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CEM machine outil

by
Bonjour, Je viens de terminer la fabrication d'une machine outil, une thermoformeuse. un arduino : La mesure fonctionne parfaitement sauf lorsque les moteurs brushless de la temps. read more »

Electronics (Croatian)

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Makrai ME.55-14/4ASW-PKI

by
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...

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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Få din kredit på 48 timmar.

by
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

by
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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Rules

by
(fido7.)su.hardw.other 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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Pic18, JDM & stranezze...

by
Ciao a tutti! Ho una domanda per PIC-cologi... :) Da svariati anni ho un programmatore simil-JDM che uso con WINPIC800 per programmare PIC18F2550. Ora ho bisogno di programmare un 4550 (che, su... read more »