The detection tag has no wiki summary.
5
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6answers
411 views
Detecting object placement on a grid
I am working on an Android ADK project. I am looking for a way to detect the locations of chess pieces on a board (8x8). I was looking at things like NFC but It looks too expensive. Is there a ...
5
votes
7answers
1k views
AC polarity detection
How can I detect AC 'reverse polarity' (single phase) (without the use of ground/earth) and drive a led when the polarity is reversed?
It should at least detect 230 VAC but it would be ...
13
votes
3answers
357 views
What is a good approach to detecting distance and speed in model railroads?
Up front I must admit to little hands-on knowledge of modern microcontrollers and their software - I know power engineering and big motors much better (45 years of it).
Now, my question:
Trying to ...
5
votes
4answers
703 views
Specific color sensing, is it possible in an economical way, without using camera/image recognition?
While I understand that color sensing with camera and sufficiently powered processor running image histogram logic (or other such algorithms) can determine presence of certain colours fairly reliably.
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