Simple device that I designed for automatic control of additional LED lighting in the kitchen.
Project tutorial by Vadim
Did you ever get into a situation where you had to wire up two, three or more I2C sensors to your Arduino just to realize the limitation?
Hi. That's cool...
Sorry, maybe I misunderstood .. Do you need the light not to turn off after the timer expires? If so, then it is necessary that in the active mode (when the light is on) the timer is always reset if the motion sensor is triggered. Look in my sketch, there is just implemented such a mechanism.
If not, explain in more detail what the question is
The contactless method of measuring the liquid level is certainly good. But the author's decision can not be considered reliable and durable. The sensor is inside the tank, moisture (vapor) very quickly will damage it...
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