Components are the most basic elements in an electronic circuit. Characteristic is that they're in a single package. There are passive and active components, from as simple as a zero -ohm resistor to as complex as a multi-billion transistor IC.

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27 views

Physical Part Counter Options

I run a small hobby-business that make DIY Electronics Kits. Business has picked up and I am wondering if there is some kind of machine that will do part counting. The parts types I count by hand are ...
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2answers
78 views

What component does the 'coupon' label refer to in terms of PCBs?

I was looking at a motherboard recently and I found a couple interestingly labelled component footprints. They're two through-hole mounted components right next to the CPU, and they seem to be called ...
16
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2answers
1k views

What is the dual of a diode?

A diode has an exponential I-V curve. To a first approximation, it will pass whatever amount of current is required to keep the voltage across it constant. Is there a passive component that will ...
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0answers
23 views

Can i use the lg g4 camera outside of the smartphone enviroment? [on hold]

I was wondering about 2 things: First of all i wanted to know if you can even use the camera if things like the gyroscope that are placed on the phones mainboard are missing. Furthermore i would like ...
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2answers
67 views

Sensing directional light

I am looking to detect the amount of light coming from a specific direction that lands in a specific area on a PCB. In my research, I have only found ambient light sensors and never any kind of ...
3
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2answers
305 views

How does a structural architecture know which entity to use?

So I'm following this tutorial in which they explain some basic VHDL by using a four bit adder as an example: ...
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0answers
44 views

Why are some electronic components glued together on a PCB? [duplicate]

I recently repaired a LCD screen SMPS (by replacing a few caps). I found out that several components are glued together using sort of white glue. I was wondering why it is like that. On the ...
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0answers
49 views

Software to catalog / organize electronic parts [closed]

Has anybody used a program to easily categorize and catalog their electronics parts inventory? My collection is getting out of control, and it it time to do some serious organizing. Requirements: ...
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1answer
86 views

Why are properties of components often given at 1 kHz?

The title pretty much sums it up. Aside from DC, why are the properties of components often listed at 1 kHz? I keep hearing that it is a "standard", but why 1 kHz? This seems to be pretty common in ...
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2answers
90 views

Creating electronic parts from scratch [closed]

So I want to create my own electronic parts from scratch,I don't like buying stuff from internet because it's mostly expensive and I believe if you make it yourself its more cheaper. You might ask ...
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2answers
53 views

Cannot find SPICE models of audio transistors for LTSpice?

I need to simulate a circuit with the following transistors: MPS8050 OR MPS6560 AND MPS8550 OR MPS6562 But I cannot find any for LTSpice. http://ltwiki.org/ also doesn't have. TINA has these ...
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5answers
2k views

Resistor Mounted On Top of IC?

Recently, I've been working to repair a broken 1980 "Arp Solus" synthesizer that I acquired from a friend. I have, however, found myself confronted by an unfamiliar arrangement: some kind of resistor ...
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1answer
38 views

I want to know when the AD9235BRUZ-65 outputs data? I cant make sense of the datasheet or find a way to simulate it

I need to know when data is output from the AD9235BRUZ-65 digital pins. I need this to create a type of handshake with a FPGA. Would appreciate any help, thanks. DATASHEET : ...
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0answers
23 views

What is this mystery component [migrated]

My father and I have been re-wiring our home's telephone lines, and in doing so, we found these components attached to loose wires. They are both labelled "3M". One says "C22" and the other says ...
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1answer
43 views

Identify GSM / LTE antenna plug

From my GSM provider I have bought a stationary Internet access point from LTE. Additionaly I have bought an antenna for it. Unfortunately when I was plugging it together I have damaged the plug. ...
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6answers
598 views

memory for the simplest possible computer (Pi0K)

I'd like to build the simplest possible computer. I don't care about speed or storage, indeed having slow speed and low storage is a huge advantage as I want to build it out of transistors (ideally ...
3
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2answers
136 views

What are the terminals in this 6 pin potentiometer?

I want to use my 6 pin potentiometer in circuits so I want to know what all the terminals are for. I know the basic principle in the 3 pin pot. I'm completely new so please answer it in simple terms. ...
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1answer
44 views

Volume of sand in a cat box - ultrasonic sensor?

My cat is always making fun of the sand that is inside of his sanitation zone :) In order to better control the amount of sand that is present on the container I'm developing a communications circuit ...
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1answer
60 views

Advice needed: comparing two parts

I want to buy some 0402 SMD capacitors (well some is about 1 to 10k). I always use the method of use the cheapest part for the given specs approach. But today I ...
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1answer
24 views

Sony STR DN1030 2nd volume control using a second Vr Encoder

First off, I am very, very new to any electronic physics/engineering. Here's my problem: I want a second remote volume control for my receiver that is wired to my desk. (I have already managed to ...
3
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1answer
78 views

Possible to identify burnt component and its value?

The device is a Banana Pi M3, I accidentally short it out when I was playing around with my multimeter on the GPIO pins.... A noticeable spark came from that component in the above picture circled in ...
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3answers
60 views

Having a hard time Identifying this part

I think its a female berg pin. I have a requirement of a similar part But I am not able to find it. What is it called? Thanks
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1answer
43 views

Choosing components to clone ZX80

I have an idee fixe to make a clone of Sinclair's ZX80 computer. So now I'm trying to find out which ICs I need for the basic prototype - and here are a few questions: it seems ...
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0answers
58 views

Designing a GPS Antenna Concept

I'm working a GPS circuit (for a handheld device that will ironically be in bags or pockets most of the time) which communicates with wifi networks. I thought a great deal about the required ...
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1answer
31 views

Consequence of uncomplimentary MOSFETs in Hbridge

I am constructing my own H-Bridge to control a high current motor (24V at 25A), as such I was looking to use high current MOSFETs for each quadrant of the H-bridge. My go too MOSFETs for these ...
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1answer
116 views

Modern jack-of-all-trades cheap OPAMPs? [closed]

I am trying to design my first "big" project, and I have to choose the OPAMPs to use. The problem is that I am feeling overwhelmed by all the possibilities. I feel tempted to just stick on the LM741 ...
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3answers
417 views

How are very long component lifetime claims ascertained/evaluated?

Its a common specification for household devices such as lightbulbs. However, I can't figure out how you'd truly evaluate/prove such a claim without running the device for the specified amount of ...
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2answers
78 views

Need to find the component with marking 500

I am having hard time in finding what this component is . It has 8 pins and a marking on it says 500. It has 2 pins on bottom on each side and two on each top ...
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1answer
106 views

Best Electronics To Salvage Electromechanical Parts From [closed]

I know there have been 2 previous questions (From what used/junk equipment can I salvage solenoids from? and Taking apart old electronics) on this, but this one is a bit different. Also, questions ...
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2answers
1k views

Can anybody identify this component (SPRAGUE 663044-4) on this vintage electronic?

I am repairing a vintage Seeburg/Gulbransen 'Select-a-Rhythm' drum machine from 1967, the kind you would sit on top of your organ and play along with. I am trying to distinguish what this component ...
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0answers
44 views

Help with Part Identification (ADxxx)

I was wondering if anyone can help identify these parts - they are in SOT-25 packages: ADe1L ADj1P ADq1X ADq51 ADq55 ADt1Y ADy1K ADy1Y I've gone down all of usual paths: googling, alibaba/image ...
2
votes
1answer
83 views

How do I read capacitor data sheets to best evaluate a replacement capacitor? [closed]

I'm looking at two capacitor data sheets for some blow caps in my KBNBX-LA motherboard. Here is a pictures of the caps on the mobo. The caps read Rubycon 6.3v3300uF MBZ. I was able to find these ...
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1answer
85 views

Making 10mH inductor on my own

How to make 10mH inductor on my own? It is not available in the market, can it be replaced with something else? I have to make a metal detecting circuit using a 555 timer IC.
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1answer
198 views

How to identify unknown component

I've recently got myself a bus pirate to read an EEPROM which is labelled fm24c32a since that's the only thing I could recognize on the board (the IC was covered by a blob). I managed to identify a ...
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1answer
80 views

Capacitor replacement - different uF value [closed]

Nice to see strackexchange has an electrical site too. I am not familiar with electrical components and this is a kind of "low level hardware" if I can say it this way. My monitor's matrix stopped ...
14
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7answers
1k views

What process do you use to ensure your PCB works on the first try? [closed]

What are the best practices for catching stupid mistakes vs more subtle ones? Do you run over a checklist of things for each design? If so, what kinds of things are on it? I'm interested in ...
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0answers
37 views

What is difference between controller and interface

Reading Allwinner A13 datasheet https://linux-sunxi.org/images/e/eb/A13_Datasheet.pdf I see that on this SoC there are controllers (like USB) and interfaces (like camera sensor interface). What is ...
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1answer
63 views

Help Identifying this chip (ATH342)

Fairly simple, I have a small 8pin chip on a board, and I have no idea what its doing, and cant find any information about it online. There are no manufacturer logos on it, and the serial number ...
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4answers
1k views

Is it ok to clip component leads after soldering?

When working with through the hole components, I have read that you should clip leads before soldering so the shock from clipping doesn't break the joint. On the other hand I've seen a ton of ...
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1answer
98 views

How to mount an OLGA package IC for development

I need to mount an IC with an OLGA package in a protoboard or wirewrapping board for development. There is no development kit in the manufacturer's website for this IC, so all I have is two samples of ...
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2answers
63 views

Component bodies physically touching

Is it ok when components touch each other (with body, not leads) after assembly? I know that resistors should be ok, but how about capacitors? Is it ok when I assemble them densely? Will there be any ...
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1answer
69 views

Unstucked electrical components motherboard

Please tell me the name of the electrical components? This Kindle Fire 1st gen.
2
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1answer
104 views

part identification

If possible. I would like a datasheet for the large IC pictured here, I havent found anything on google yet, seaching:MXICZ101061
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2answers
83 views

Help me find a component based on its label

I have an SMD component containing two pads. There is a label on the surface of the component: 200A in one row and 06A in second row. I suppose the component is a diode but I don't know what kind and ...
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1answer
38 views

How to set text layout in a custom component in a different angle in Altium?

I'm wondering how to set the text of a parameter in a component in a different angle, so different angles have different layouts when you press spacebar? Like what a standard component does in ...
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1answer
60 views

Life of a Component at half Load [closed]

Good Afternoon A IC which has Max current rating is 10A , But in my Design i will always use it at 5A current only. Will my component life will be double by doing this or not??
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1answer
79 views

Unknown Component

I have never seen a component like these. The markings say "1UL25" or "10L25" on the first line and "++" followed by a "Z" in a circle with black lines coming out of the sides. Sorry the picture is a ...
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1answer
70 views

Triac dimmer component

I was looking for a way to dim a regular light bulb in a circuit. With the help of this site, I learned that using (variable) resistors would dim the light, but eat up electricity in the form of heat. ...
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2answers
115 views

Help me Help Students! (Solar Powered, Switched, Red and Green Light Device) [closed]

Good Afternoon, Excuse my ignorance as I'm not an electrical engineer, I'm just trying to build a device to help grade school students. In the simplest form, I'm trying to setup a solar powered LED ...
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1answer
73 views

Extremely Simple reliable way to switch logic level signals

I am designing a failsafe system for an Unmanned Aerial Vehicle, and it needs to be able to switch 6 PWM outputs from one source to another. My initial thought was to use a series of logic level ...