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Q&A

Posts tagged identification

Synonyms: part-identification component-identification device-identification

This tag is for questions asking to identify components, devices or parts of a system.

It can also be used to identify part of a schematic or a blueprint, for example an unknown symbol on a schematic.

This tag doesn't have a detailed wiki yet.

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Q&A What type of button is this on a remote control

The remote control of my TV has two kinds of buttons. There are "normal" ones for the digits etc. which work by bringing a conductive material on the underside of the button in contact with the boa...

2 answers  ·  posted 2mo ago by samcarter‭  ·  last activity 2mo ago by TonyStewart‭

Question identification
72%
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Q&A Mysterious little cases hanging on street wirings in India

I have been observing these little cases hanging to the wires from a long time. They are almost everywhere here in India, but I was unable to find out what they are. I am not sure whether they are...

3 answers  ·  posted 2y ago by aditya98‭  ·  edited 8mo ago by Lorenzo Donati‭

Question identification
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Q&A Identification of semiconducting electrical components

We identify semiconducting electrical components this way: The first digit represents the number of pn junctions inside the semiconducting device The two or more digit number starting at position...

1 answer  ·  posted 2y ago by MissMulan‭  ·  edited 8mo ago by Lorenzo Donati‭

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Q&A Name of this current limiting device

I'm trying to modify a LED torch, and there is a DC-DC booster (1.5 V to 3.3 V) and after that some SOT-23 device which (I assume) keeps constant 90 mA current through LED. I know I could remove th...

2 answers  ·  posted 3y ago by Chupacabras‭  ·  edited 8mo ago by Lorenzo Donati‭

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Q&A What is this metal panel under power lines?

I was hiking around the Berkshires in western Massachusetts yesterday, and came across this metal panel where some power lines were crossing a ridge: The panel is a few meters wide, and appe...

1 answer  ·  posted 2y ago by Olin Lathrop‭  ·  last activity 2y ago by DSI‭

Question identification