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Author Topic: external feed or PC feed ?  (Read 322 times)
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Hi there,

I did a project right here to a device that control 3 sensors and it will be used in the railroads of my city.
I just have one trouble with that, when i plug my arduino UNO on PC it is working pretty fine on the board, but this project is for railroads and I need it to work with bateries. My batery system is working because the red light of my arduino uno turns on but anyother thing happen. I mean my display does not turns on and even my sensors.
Does arduino have any problem when you use an external feed ? Is there anything that I can do to fix that ? Anyone else had that problem ?

Thanks so much for your attencion and I ll be glad for any help that you can provide.

Best regards.
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Your power supply may not be powerful enough.  Also the arduino is an AVR dev board NOT and industrial PLC replacement.  Please be aware of this!
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Yeah using a PLC will be to use a massive weapon gun to kill a small bee ...
What should i do in this case if the power regulator is not powerful enouth ?

Thanks for the help.
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What battery are you using?
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Please don't crosspost. Thread merged into same Topic under Project Guidance.
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Designing & building electrical circuits for over 25 years. Check out the ATMega1284P based Bobuino and other '328P & '1284P creations & offerings at  www.crossroadsfencing.com/BobuinoRev17.
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