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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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PID tuning. Lag = ~ integrating time

by George Herold
Hi all, this is not so much a question, as me just spouting. If I do say (spout) something wrong, or that you disagree with or that you don't understand, then please do speak up. I've been tu... read more »

Electronic Components

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Motorola RCA 24718140 24712879

by alpibucky
hello, From an 60's or 70's computer power supply I have those paired transistors but I am not able to find their figures. Three of them are Motorola's and the last one from RCA. Any Idea ? Wi... read more »

Electronics Down Under

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Lead vs Lithium batteries - Large scale energy storage

by Adrian
In recent times, lithium based grid scale batteries have been getting a lot of attention. It seems like lead battery technology doesn?t get its fair share of attention. Especially in Australia w... read more »

Electronics Equipment

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Standing Waves

by 412dfitz
http://www.rbduncan.com/stdwave.htm read more »

General Electronics

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Standing Waves

by 412dfitz
http://www.rbduncan.com/stdwave.htm 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 98 freezing with ERC and Netlist creation

by jocelyn.fiset
I have a problem with my protel 98. Portel is freezing when i use the ERC ( electrical rule check ) and Creat Nest list function. Anyone could help me ? read more »

Electronics Design

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Aircraft Hypot Test

by Yzordderrex
I am interested to know if there is a specification for dielectric withstand test for aircraft. I can't find anything concrete in DO-160. I know of Mil-std-202, and expect I can apply it to civilia... read more »

Electronics Repair

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Antenna rotator question

by captainvideo462009
Customer wants a complete TV antenna with a rotor installed. I used to do a lot of these so that's no problem. However the catch is that depending on where they feel like hanging out he wants to c... read more »

Field-Programmable Gate Arrays

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Cyclotomic FFTs

by Kevin Neilson
I've been researching cyclotomic FFTs. There is a lot of literature (Fedor enko, Trifinov, Costa, etc.) about using this technique for calculating the syndrome and doing the Chien Search in Reed-... 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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A timer driver for Cortex-M0+... it rarely doesn't work

by pozz
I don't know if it is an issue specific to Atmel SAMC21 Cortex-M0+ devices or not. (14MHz/16) that triggers an interrupt on overflow (every 1h 21'). In the interrupt I increment the 32-bits glo... read more »

Embedded Linux

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Position : GE Devops role

by up2date technologies
Dear vendor partner., Position : GE Devops role Location: San Ramon Client: Harman / GE Client is particularly looking for the following skill set combination - AWS + Jenkins pipeline as code + ... 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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How good is the graphics display in the Pi?

by Seymore4Head
I was just wondering if someone could use a Pi as a low cost web surfer. Would a Pi work to use a TV as a monitor? I was thinking that living in an area where there is no Internet access or in ho... 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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Dieses Wochenende: Vintage Computer Fe stival München

Samstag 29. April 10 Uhr bis 18 Uhr 30 Sonntag 30. April 10 Uhr 30 bis 18 Uhr 30 Montag 01. Mai 9 Uhr 30 bis 12 Uhr 00 ( nur Vormittag ) http://www.vcfe.org/D/ http://www.vcfe.org/D/Ausst... read more »

Electronics (French)

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Photo reportage alimentation chinoise - une pensée pour JK...

pour une 100R carbone (250V), et un X2 100uF. http://picpaste.com/2017-04-14_09-28-20_IMAG7336-7aUMCZQO.jpg http://picpaste.com/2017-04-14_09-28-32_IMAG7338-nISrc7OB.jpg que par 3 composants: - t... read more »

Electronics (Croatian)

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baterijska lampa

sigurno je netko od vas vec narucivao pa eto ako imate prijedlog za onu zoomable baterijsku lampu sa ebaya... link dobrodosao... bitno mi je da idu 18650, ali i da charger dolazi sa svjetiljkom...... 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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minelab e-trac wykrywacz na zloto

minelab e-trac wykrywacz metali polskie MENU (6797594584) ?oto pokazuje pozdrawiam jacek read more »

Electronics (Swedish)

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Det ger ? 8000 till ? 4.000.000 vid en ränta p å 2% per å...

Du har avslagits av banken eftersom din kredit inte uppfyller deras standar read more »

Electronics (Danish)

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Hos elektronikforhandlerne er det hundedyrt, i sportsforretninger koster det det halve. read more »

Microcontrollers (Russian)

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(fido7.)su.hardw.other http://crutch.fatal.ru/?s=ru_embedded read more »

Electronics Technologies (Russian)

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Тpавление печатных плат

2FeCl3 + Cu -> 2FeCl2 + CuCl_2 (1) CuCl2 + Fe -> FeCl2 + Cu (4) Cu + CuSO4 + 2NaCl -> 2CuCl + Na2SO4 (5) CuCl + NaCl -> Na[CuCl2] (6) 4CuCl + O2 + 4HCl -> 4CuCl2 +2H2O (9) 4CuCl + O2 + 2H2O -> 4... read more »

Electronic Circuits (Russian)

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icq:240059686, lj-user:nicka_startcev read more »

Electronics Hobby (Italian)

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Modulo 2-digit, dove ?

per l'uso ? http://www.ebay.com/itm/401171797073?rmvSB=true Se no mi tocca prenderlo in oriente e aspettare almeno 1 mese. read more »