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How to link OpenEVSE v4 to Arduino Uno?

Good day! I have OpenEVSE v4. Is it possible to additionally connect Arduino (UNO) and arrange data exchange between them? The garage where I charge the car is outside the WiFI network, so I want to connect the GSM module to the Arduino UNO and control the charging process via mobile communication. Is it possible? I need to know exactly the possibility of connecting OpenEVSE and Arduino. Thank you in advance for your cooperation!

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If the RAPI commands are enough to do the controls you need, the arduino will communicate using the TX/RX pins.  The arduino can be powered by the OE 12 volt supply also.

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