digiDryerMon

ESP8266 based washer/dryer current monitoring via a split core current transformer over MQTT. Pull Requests are welcome! Please open an issue if you have any support needs.

Video Demostration and Setup - https://www.youtube.com/watch?v=1tqJkw5f0iA

Parts List

Split Core Current Transformer
Wemos D1 Mini
10µF Capacitor
10k Resistors
Preformed Jumpers
Breadboard

Alternative NodeMCU 8266
Alternative NodeMCU 8285

Sample Home Assistant Config

sensor:
  - platform: mqtt
    name: "Dryer Current"
    state_topic: "digiDryerMon-4A443E/SCT"
    unit_of_measurement : "A"
    icon: mdi:flash-circle
    availability_topic: "digiDryerMon-4A443E/LWT"
    payload_available: "Online"
    payload_not_available: "Offline"

  - platform: mqtt
    name: "DryerMon Signal"
    state_topic: "digiDryerMon-4A443E/RSSI"
    unit_of_measurement: "dBm"
    availability_topic: "digiDryerMon-4A443E/LWT"
    payload_available: "Online"
    payload_not_available: "Offline"   

  - platform: mqtt
    name: "DryerMon Status"
    state_topic: "digiDryerMon-4A443E/BUILD"
    availability_topic: "digiDryerMon-4A443E/LWT"
    payload_available: "Online"
    payload_not_available: "Offline"

Sample Home Assistant Automation

https://www.digiblur.com/2018/11/smart-laundry-notifications-with-sonoff.html

Wiring Diagram