DIY Smart Laundry - Electric Dryer Voice Notifications



Do you use an electric dryer and need a solution to send voice notifications when the cycle is complete?  Let's build a simple non-invasive DIY sensor that monitors the electrical draw from the dryer using a Wemos D1/NodeMCU, a couple resistors, capacitor and a split core current transformer.  You can also apply this same project to many other electrical monitoring projects in the home. 

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

Alternative NodeMCU 8266 
Alternative NodeMCU 8285

Amazon US Link

Connect with Us
Patreon - https://www.patreon.com/digiblurDIY
Discord - https://discord.gg/bNtTF2v

Misc Links
Wiring Diagrams and Arduino Sketch - https://github.com/digiblur/digiDryerMon
Arduino IDE Download - https://www.arduino.cc/en/Main/Software
AsyncMQTT - https://github.com/marvinroger/async-mqtt-client
ESPAsyncTCP - https://github.com/me-no-dev/ESPAsyncTCP

Boards Manager Address for Arduino IDE Config:
http://arduino.esp8266.com/stable/package_esp8266com_index.json

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 Voice Notifications from the S31 Video - https://www.digiblur.com/2018/11/smart-laundry-notifications-with-sonoff.html

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