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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2answers
67 views
Using standalone smartphone camera
Is there any possibility to use smartphone camera modules without their smartphone?
those modules are relativity cheap and provide good results,
can someone explain how to do it?
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1answer
45 views
EOLs — need help [closed]
Does anyone here know, perhaps a website, magazine, quarterly, or anything at all that may tell you when specific products may have been discontinued? I receive some things from MFGs such as Renesas ...
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2answers
112 views
Help identify this component (part of switch de-bouncing?)
I found this component in parallel to a switch and 100nJ capacitor. My guess it that it is part of the de-bouncing circuit. Can somebody tell me what it is?
The blue disc has a diameter of about ...
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2answers
351 views
Does anybody know what this electronic component is?
I have an electronic component which has no letter or number on it. It has 2 legs and when you shake it there is something moving inside up and down. I am searching for it for hour still have no clue. ...
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3answers
150 views
Dots in a transformer symbol
I came across this schematic:
What do the dots in the transformer indicate?
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3answers
342 views
Can I burn components / short circuit by using a multimeter
It's probably not new to you, but sometimes we want to analyze a powered circuit with a multimeter. I love to do that, but I'm a little worried that I might burn some components or the whole circuit.
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0answers
60 views
Advice needed: Develop a bluetooth device at the size of finger ring [closed]
I have a small requirement. I like to amplify the microphone signal of a smartphone (android/iphone/windows phone) using a bluetooth device that can be worn on finger as ring. The idea is not to loose ...
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0answers
55 views
Need to know what this component is
An nVidia PNY Quadro 4000 landed in my lap, this graphics card is messed up - no video out, but the green LED on it indicates that it has power, the fan spins, windows even recognizes it (with an ...
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6answers
192 views
Identifying piece of circuitry on a PCB
I haven't done electronics for a long time but am doing some for a hobby project this weekend. I'm looking for some help breaking down/analyzing a circuit board I want to modify/hack:
It's for 3 ...
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0answers
51 views
Is there any place to get old electronics components from thrown away equipment? [closed]
Every year quite many electronic and electrical appliances are thrown away. Can't someone do a bit of work and take out the LCD screens from printers, their motors, power supplies e.t.c and sell it. I ...
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3answers
108 views
A device that wirelessly, securely posts to a server in response to door opening: off the shelf or custom-make?
I am looking for an off the shelf component for a project I am currently working on. Due to the nature of the project I cannot go into much detail about the project itself, only give a high level ...
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1answer
61 views
Camera component for taking still images? [closed]
I am working with some friends on a project that needs to have an camera that takes photos, but we are needing to source just the sensor, with built in lens. One such solution I found was:
...
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1answer
174 views
What is this strange component from 1950 radio reciever
A while ago I took apart my grandpa's really old radio receiver with vacuum tubes. I recognize everything except for this one strange component. It seems to have some sort of heat sink on the outside ...
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1answer
62 views
What does 3AG mean in “Fuse Block 3AG”?
I have read from a vendor website. It mentions 3AG fuse block. What does 3AG mean?
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0answers
79 views
How to sum or calculate voltage or current harmonics component that are in parallel ?
Recently I measured voltage and current harmonics in coal mining industry. But they only have Power Quality Meter with limited current clamps (not big enough for the PCC(point of common coupling)). So ...
