The Arduino code tells us that the valves will ... As the valves use 24V and the motor 12V, standard N-Mosfets and power relays are used for voltage conversion. The remote controller [Gilard ...
He controls the lights with an Arduino ... relay circuit built around an MC3042 as the opto-coupler, with a power supply he made from a scrap transformer. [pscmpf] shares some but not all of his ...
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