Clamp Meters

HA Page https://community.home-assistant.io/t/ct-clamp-for-esp/183812/6

ALixepress link https://www.aliexpress.com/item/33049835511.html

Code; I’ve got one of these 806 connected to a Wemos D1 mini to monitor my geyser. Here’s the code:

sensor:

  1. platform: ct_clamp

sensor: adc_sensor

  name: "Geyser Power"
  update_interval: 60s
  filters:
    - calibrate_linear:
        - 0 -> 0
        - 0.12 -> 17.4    
    - lambda: return x * 230.0 / 1000;
  unit_of_measurement: "kw"      
  1. platform: adc

pin: A0

  id: adc_sensor