Electronics > Beginners
HOW TO SENSE 12 VOLT DC VOLTAGE USING MICROCONTROLLER?
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wabhavkumar:
this circuit is not working at 50 meters circuit
Mr. Scram:

--- Quote from: wabhavkumar on July 02, 2018, 12:33:31 pm ---thank you for the valuable reply. Please suggest optocoupler circuit.

--- End quote ---
What's wrong with a voltage divider? It seems by far the simplest solution. Without more information we're left guessing.
Zero999:

--- Quote from: wabhavkumar on September 29, 2018, 04:32:24 pm ---this circuit is not working at 50 meters circuit

--- End quote ---
What do you mean by 50 meters circuit? It makes no sense.

Is this connected to circuit, via a long piece of cable? If so, then you should have said before!
Kjelt:
At 50 metres you should put a microcontroller on both ends and connect with rs422/485 or ethernet
Mr. Scram:

--- Quote from: Hero999 on September 29, 2018, 06:50:35 pm ---What do you mean by 50 meters circuit? It makes no sense.

Is this connected to circuit, via a long piece of cable? If so, then you should have said before!

--- End quote ---
This community seems so eager to help that it often starts offering advice before someone has bothered to properly specify the problem. That doesn't foster proper behaviour.
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