Power Monitoring with the ShellyEM

The ShellyEM is an all in one power monitoring solution for monitoring two circuits up to 120A.

Buy a ShellyEM

Products I use and recommend
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Sample Home Assistant Sensor via MQTT

  - platform: mqtt
    name: "ShellyEM1 Watts"
    state_topic: "shellies/shellyem-B9E17C/emeter/0/power"
    qos: 0
    unit_of_measurement : "W"
    icon: mdi:flash-circle
  - platform: mqtt
    name: "ShellyEM1 Volts"
    state_topic: "shellies/shellyem-B9E17C/emeter/0/voltage"
    qos: 0
    unit_of_measurement : "V"
    icon: mdi:flash-circle
#    availability_topic: "shellies/shellyem-B9E17C/online"
#    payload_available: "Online"
#    payload_not_available: "Offline"

Wyze $5 Door/Motion Wireless Sensors - No Cloud or Camera Required - How To with Home Assistant

Easy to deploy and reliable sensors for automations on doors, cabinets, freezers, toilet seats (we know who!), etc, check out the Wyze Sense pack.  By popular demand after the live stream we are doing a quick and easy step by step setup with Home Assistant.  This was tested on a Raspberry Pi 4 (which runs pretty quick!) but you can install this on many device setup types, such as unRaid, docker, etc.

Wyze Sense Pack w/ Camera
Wyze Sense Pack Only

Raspberry Pi 4 Kit

Addtl Links
Wyze Component -
HACS Install -
DrZzs Install of HACS -

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unRaid hidraw<x> Passthrough

This is for folks running separate docker containers and not using the Hassio Supervisor

Plug in the Waze USB receiver, log into the unRaid …

Tuya Convert - What's Next? | Solderless Flashing Options

Tuya Convert got you down?  Still looking for some devices that don't require soldering to flash your Tasmota, ESPHome, etc open source firmware?  We are checking out a few devices that can be flashed with the open pin headers.  No soldering!  If you have any devices to add to the list be sure to comment down below.  They will get added along with pictures of the pin headers on this Blog post.  Let's build the list and make all of our devices ours with pure local control!

Solderless Devices

Zemismart - 1,2, or 3 Switch

They refer to them as gangs, but there are three models based on how many switches you want. They are clickie style switches and fit in a standard US 1 gang width box.  Remove the 4 screws on the back and you'll see the pins all right there.  IO0 is the GPIO 0 pin.

Sonoff iFan03

The button is GPIO0 - hold the button while applying power for a few seconds, just like the Sonoff Basic

Etekcity Switch 2 Way

Etekcity Switch 3 Way

Martin Jerry Switch 2 Way

Martin Jerry …

ESPHome on the Etekcity NightLight plug and 2 & 6 Channel Power Monitoring

Finishing up the last bit of sensors and config on the Etekcity power monitoring plug.  No soldering required to flash the plug as they left us an open header to attach to.  Snuck in a little bit of the cool 3 way Martin Jerry switch.

Etekcity Plug
Martin Jerry 3 way Switch

2 & 6 Channel Monitoring Boards with ESPHome -

Audio issues on the first piece, but we reset OBS to fix the issue!  Sorry guys/gals!

Tasmota Template for the Etekcity
(had issues with voltage readings dropping at random times)

Work in progress Etekcity Plug Config

  plug_name: etekpower
  # Higher value gives lower watt readout
  current_res: "0.00095"
  # Lower value gives lower voltage readout
  voltage_div: "2040"

  name: ${plug_name}
  platform: ESP8266
  board: esp8285

  ssid: !secret wifi_ssid

3 Way Smart Switch with Motion Activation

Installing the true 3 Way Smart Switch from Etekcity.  As always we flash the switch with open source firmware, Tasmota for 100% local control.  No soldering required to flash!  After the setup we do a slight modification to add a motion sensor to solve an issue I had in our laundry room.

Etekcity 3 Way (2 pack)
Etekcity Single Pole

FTDI USB Flasher
Jumper Wires
Straight Header Pins

To Add Motion Activation
Angled Header Pins

Installation Tools
Wago 221 Wire Connectors
Circuit Tester

Soldering gear I use
Helping Hands

Additional Links
NodeMCU Pyflasher
3 Way Switch Diagrams
Cliff Quicktest

Tasmota Template

{"NAME":"Etekcity 3Way","GPIO":[255,255,0,255,23,29,0,0,82,22,10,0,0],"FLAG":0,"BASE":18}

Setup Commands for the Console

backlog switchtopic 0;switchmode1 1;switchmode2 5;switchmode3 1;powerretain 1;rule1 on event#ON do power2 TOGGLE endon;rule1 1;rule2 on event#OFF do power2 TOGGLE endo…

3 Way DIY Smart Dimming

3-Way Dimming without the cloud! I show the hallway 3 way light that was in dire need of dimming at night from our motion activated lights.  All of the Tasmota rules and links to wiring diagrams are included below. Enjoy! Subscribe, give us a thumbs up, and feel free to comment if you have any questions.

Acenx Dimmer Switch

Zemismart Switch

3-Way Switch Diagrams

How to Flash the Acenx/Martin Jerry Dimmer

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Primary Dimmer Rules
Rule1 on Switch2#state=2 do Dimmer - endon on Switch3#state=2 do Dimmer + endon on Switch2#state=3 do Dimmer 30 endon on Switch3#state=3 do Dimmer 100 endon
Rule2 on Power1#State=1 do backlog publish cmnd/SW_Hall_Secondary/ledpower 1; ledpower 0 endon on Power1#State=0 do backlog publish cmnd/SW_Hall_Secondary/ledpower 0; ledpower 1 endon
Rule3 on Dimmer#State>=70 do Var1 15 endon on Dimmer#State<70 do Var1 85 endon on System#Boot do Var1 15 endon on …

LOHAS Smart Bulbs and a cool white/warm white bulb configured with ESPHome and Tasmota

The LOHAS LED Bulbs utilize dual channels of warm white and cool white LEDs on the MY9231/MY9291 LED drivers.  We show in ESPHome how to solve this issue with a custom component.  All of the sample configurations used in the video can be found at the GitHub link below.  The Anoop bulb is a dual channel PWM light shown in Tasmota.  We also show how to easily configure the device using the new copy and paste templates of Tasmota.

LOHAS Color (3 pack)
LOHAS Color (1 pack) 
Anoopsyche CW/WW LED

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LOHAS ESPHome Configurations and CopyChan component -

Home Assistant Sample MQTT Configurations -

Tuya Convert Process -