Abstract: In this paper, the Arduino based Intruder Detection System employing Rochelle Salt and Pyro-electric or Passive infrared (PIR) Sensor has been proposed. The proposed system employs Rochelle ...

There's an entity binary_sensor.pentair_0e_aa_40_scg_status, which I believe is the salt chlorine generator duty cycle. These generators work like a PWM fan. You set ...