Arduino Project

I'm connecting a 2 way valve to an arduino uno R3 (powered from the laptop) and i was wondering will the valves have enough current to open so that the water will stream (6 of them) or I need to connect the arduino to any external power source?

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Robert Peter Oakes over 10 years ago +1

Arduino UNO pins do not have enough power to drive a water valve, you will need to use in intermediary relay board and a seperate power supply for the valve, can you provide details of the actual parts…
dougw over 10 years ago +1

Here is a typical drive circuit for a 12V valve: The FET needs to turn on with logic levels and be big enough to handle to valve current without overheating. If the FET is very large it may be wise to…

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Robert Peter Oakes over 10 years ago

Arduino UNO pins do not have enough power to drive a water valve, you will need to use in intermediary relay board and a seperate power supply for the valve, can you provide details of the actual parts your using so we could provide better information ?
Peter
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Robert Peter Oakes over 10 years ago

Arduino UNO pins do not have enough power to drive a water valve, you will need to use in intermediary relay board and a seperate power supply for the valve, can you provide details of the actual parts your using so we could provide better information ?
Peter
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