I just made some machine trackers that track whenever the machine is my factory is working using an esp32 and a hall effect sensor. I now want to add the feature that also track whenver the machine is on (the machine does not always run while on due to operators having to calibrate it every now and then.)
Any idea how i can go about doing it? i was thinking something like an led connected to the power supply of the machine and connecting the led to the esp. Whenever the led is on time will be recorded. is that possible? i really dont know if that is. is there any other way?
(The machine mentioned is a horizontal boring machine)
submitted by /u/bazoukibarnacle