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:
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"
pin: A0
id: adc_sensor