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Powering GSM module by/in OpenEVSE

Hi guys,

This has been touched on before, but I couldn't find any good guidance.

I am looking to add a GSM module, which will draw 4v 2a at peak. That will not go down well with the MPM-04D power supply on the OpenEVSE v5 board.

Any suggestions as to how to to approach, with consideration to cost and safety/approval? Replacing the OpenEVSE powersupply with something else, or adding an additional powersupply?

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