![]() Will a relay+ESP be the best way to get this kind of precision in duration?.Is it possible to create such automation in HA?.a PC fan (5V?), some magnets and a magnetic mixer, for mixing.a power supply for the ESP device (I have an old phone charger that I could use ideally).a power supply to feed the relay (still need to figure out the convenient model).an ESP32 Node MCU or an ESP8266 (i have a couple of spare Wemos D1 Mini clones that I could use ideally). ![]()
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