Questions tagged [sourcing]
The sourcing tag has no usage guidance.
43
questions
4
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9
answers
2k
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Using a relay for retro clicky sound - how do I make it louder?
I'm building a battery operated retro device that I want to sound really clicky and old fashioned. I want to include the noisiest relay (sound noise not electric noise) possible in my project. Can ...
- 307
1
vote
1
answer
59
views
Selecting low-power managed flash storage?
I've been trying to find a low-power flash storage solution. It needs to have built-in management (finding bad blocks, wear leveling, etc), so I've been looking at eMMC chips. But the specs on almost ...
- 131
4
votes
2
answers
317
views
How to source this hook socket
I've been trying to find the name, part number, manufacturer and some vendor for this hook socket. I'm not even 100% sure that is what it is called.
Do you have any information about it? Anything ...
- 201
6
votes
2
answers
4k
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what kind of tape is used in electronic devices
I repair quite a few devices and one thing that bothers me is that when I remove some of the tape pieces they never go back down right. I was looking for some replacement tape and didn't know what to ...
- 205
0
votes
1
answer
678
views
Is it possible to sink and source from one output pin using a darlington driver
Sinking and sourcing with a darlington driver
I asked a question about sinking and sourcing LEDs while using a darlington driver. The images were slightly unclear so i have redrawn it. I had too many ...
- 17
1
vote
1
answer
330
views
Sourcing An Image Sensor? [closed]
I'm wanting to create a basic digital camera, I have most of it figured out... except for the image sensor itself. Looking in the normal places (digikey, mouser), I'm finding some very basic, low ...
- 203
6
votes
3
answers
4k
views
Determining End-Of-Life for electronic components
What is the best way to determine the end-of-life time-line for ICs other than contacting the manufacturer directly? Is there a central registry or service where I can subscribe and get EOL ...
- 465
7
votes
4
answers
2k
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Export restrictions when sourcing parts for PCB assembly in foreign country
If a company has a PCB design and wishes to assemble them economically, a natural choice is China. Some Chinese companies are asking for the parts (or some of them) to be shipped to them. This means ...
- 8,529
3
votes
1
answer
2k
views
How to find SMT equivalents of TH parts?
A lot of times hobbyist circuits are designed with thru-hole components since they're easier to solder. What approach do you take when attempting to find the SMT equivalent of a TH part?
For example, ...
- 4,546
1
vote
1
answer
379
views
How do I source an Audibly noiseless (< 3dBA) power supply?
This is not a shopping question; this is a "what is the best way to solve this problem" question.
To power a medium-size project, I'm looking for a 15W/12V board mount power supply, taking mains AC ...
- 5,690
4
votes
2
answers
3k
views
3.5mm PCB mount male plug [closed]
I'm looking for a male 3.5mm audio plug (3 or 4 band) that can be mounted directly to a PCB. Both surface mount and through hole are fine. I'm surprised that all the usual suspects (Digikey, Farnell, ...
- 483
1
vote
1
answer
184
views
Led must be mounted SINK or SOURCE so as not to interfere with communications? [closed]
I used 3.3v microcontroller. I want to add TX LED and RX LED communication on RS232, RS485,
TTL/CMOS.
My question:
Led communication must be mounted as SINKING or SOURCING on I/O microcontroller ...
- 237
12
votes
8
answers
53k
views
Sinking and sourcing current
I have been reading that NPN transistors are sinking and PNP are sourcing devices. I do not really understand this concept. It says current source device connects load to Vcc and current sinking ...
- 153
2
votes
1
answer
631
views
Sound card CD audio in connector
The typical name I see given is MPC, MPC2, or MPC-2, and the cables are readily available, but I can't seem to source the female PCB-side connector. Obviously, a 1x4 pin header would work just fine, ...
- 389
1
vote
1
answer
875
views
Is there a special name for stripboard with split tracks?
A friend of mine showed me a project he was working on, and the stripboard he'd soldered to had its tracks split into 3-hole blocks. A little like this:
...
- 10.8k