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Questions tagged [sourcing]

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20
votes
5answers
10k views

current sourcing, current sinking

I'm a student studying electronics and I'm having trouble understanding the concept behind current sourcing and current sinking. We've covered it in a lab using a 7404 and an LED and all that. Just ...
16
votes
6answers
811 views

How can I evaluate or speculate on a part's production lifetime for long term part sourcing?

Suppose I have an idea for a product, where if it were successful, would be in production for 5-10 years. How can I make decisions on what parts to use now such that they will still be available to ...
7
votes
1answer
2k views

Proprietary Kinect connector [closed]

I'm looking for a source for the mating part to the proprietary USB connector on the Kinect, which includes standard USB signalling and power, and also the special 12V supply rail. The cable version ...
7
votes
6answers
5k views

Where can I source extra long headers from [closed]

I have recently purchased a sparkfun protoboard that I wish to stack above an ethernet shield. (I have 2 different ethernet shields, an Arduino one and a seeed studio enc28j60 shield.) The problem I ...