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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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Need help identifying and locating DIP-packaged trimpot resi...

by groink1
Aloha! I'm reverse engineering an early 1980s era PCB. On the board is this DIP-packaged trimpot resistor. Its dimensions is typical of a 14-pin 74-series package. The part consists of three 10K oh... 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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Dang - missed Earth Hour again

by Sylvia Else
I wish they'd advertise it better, so that I can ignore it deliberately. Sylvia. 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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Orcad4.2 dos on windows XP conf

by pjlarsen
Hi. After Racal Redac (unix design system) I started working with Orcad Schematic. Now after 20 Years I mannage to reinstal Orcad on windows XP but I can not remember how to get started. I have ... read more »

Electronics Design

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Ignition circuit issue.

by Sylvia Else
I'm using this circuit to provide 250V pulses to an ignition coil. https://www.dropbox.com/s/1w33uss3eedem05/ignition2.pdf?dl=0 The IC is a Linear Technology LT1243. 12V is provided on G$1 to the ... read more »

Electronics Repair

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Scott LK150

by pfjw
I am looking for a clean copy of the original assembly manual for a Scott LK150. The unit I have was assembled with Kynar wire, I would like a do-over. Thanks in advance. Peter Wieck Melrose Par... read more »

Field-Programmable Gate Arrays

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Simulation of PCIe at TLP level

by Svenn Are Bjerkem
Hi, has anybody simulated PCIe at TLP level? I would like to feed a 1x PCIe endpoint interface with data as if it was inserted into a host PCIe slot. I need some pointers to documents or code descr... 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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Dimension of a matrix

by Tim Wescott
I just put the following into yet another c/c++ file: #define DIM(x) (sizeof(x) / sizeof(*x)) It calculates the number of elements in the array x (assuming that x is, indeed an array). Is there ... 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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Open Source Graphics Drivers?

by rickman
I don't believe all of the drivers for the rPi use closed source code. I believe it is just the graphics unit. The documentation is closed for competitive reasons. Not that you would ever notic... 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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Chip für DRM-Demodulation

by
Hallo, auf dem Rechner. U.a. das DREAM-Projekt. - sich bis auf 9.99 kHz einstellen. - read more »

Electronics (French)

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Compteur d'eau à impulsion + Raspberry Pi GPIO

by
Bonjour, j'ai fait installer des compteurs d'eau sur lesquelles on peut brancher un suivi de ma consommation d'eau. Il y a en tout 6 compteurs (eau chaude, eau froide, eau de pluie, ...). http:... read more »

Electronics (Croatian)

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APC Smart UPS700 SU700INET

by
Pozdrav, Dakle imam UPS u kojem su ispravne baterije, no problem se javlja kada ih stavim u ups, tada on detektira da su prazne(svijetle 2LED na desnom bargrafu, ponekad 3). Meni logika govori ... 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 (Polish)

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spam www.reichelt.com

by
https://www.reichelt.com -- Piotrek Let me see your war face. read more »

Electronics (Swedish)

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

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

Electronics (Danish)

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Hvilken TTL-kreds skal jeg bruge ?

by
Hej, Puls/Step 1+2 skal til driver 1 Puls/Step 3+4 skal til driver 2 Puls/Step 5 skal til driver 3 hvilken :D Eller i det mindste hvad skal jeg google efter. mvh. Henrik Andresen read more »

Microcontrollers (Russian)

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Rules

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

Electronic Circuits (Russian)

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с баша

by
Hello All! -- -- Sasha http://dr-shost.com http://shostatsky.narod.ru [Team OS/2][Team EDSMO] read more »

Electronics Hobby (Italian)

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Lampadine LED

by
Devo acquistare diverse lampadine LED E27 24Vac 10W circa. Dove posso trovarle online a prezzi contenuti, almeno pari a quelli delle lampadine a 220V ? -- Bye, Yorgos My blog: https://yorgosko... read more »